- For the card changes in traditional Play mode, see Card changes.
This page lists all card changes made in Duels, to date.
Only intentional design changes are listed here. For bugs and bug fixes, see Bugs. Major changes to game mechanics can be found on the pages Game Mechanics Updates and Rule changes. Minor changes to card text and underlying mechanics can be found on individual card or patch pages.
Official explanations of card changes featured in patch notes are included here to provide context for the changes. Changes are listed by patch, in date order. For a list of changes to specific cards, see individual card pages.
2023[]
Patch 26.4.3.178555 (2023-06-16)[]
Hero Power Updates
- Old: Fire two missiles at random enemies that each deal 1 damage. If any minion dies, repeat this.
- New: Fire two missiles at random enemy minions that each deal 1 damage. If any minion dies, repeat this.
- Old: [1 Mana]
- New: [2 Mana]
- Old: Discover a Beast.
- New: Discover a Beast. Give it +1 Attack.
Signature Treasure Updates
- Old: [4 Mana] 4 Attack, 4 Health. Battlecry: Add 1 Demon to your hand. It costs (3) less. (Improves during run)
- New: [5 Mana] 4 Attack, 3 Health. Battlecry: Add 1 Demon to your hand. It costs (2) less. (Improves during run)
- Old: [1 Mana]
- New: [2 Mana]
- Old: [3 Mana]
- New: [4 Mana]
Passive Treasure Updates
- Old: After you play your first Discover card in a turn, all friendly minions gain +1/+1.
- New: After you play your first Discover card in a turn, all friendly minions gain +1 Attack.
- Old: After you play your first Pirate each turn, summon a Patches the Pirate.
- New: After you play your first Pirate each turn, add a Patches the Pirate to your deck.
- Old: After you cast a Fel spell, deal 1 damage to the lowest-Health enemy.
- New: After you cast your first Fel spell in a turn, deal 1 damage to the lowest-Health enemy.
- Old: Whenever you cast a Fel spell, give the left- and right-most minions in your hand +2/+2.
- New: After you cast your first Fel spell in a turn, give the left- and right-most minions in your hand +1 Attack.
- Old: On your first turn, Discover a Legendary weapon and equip it.
- New: On your first turn, Discover a Legendary weapon. It costs (3) less.
- Old: After you play a Legendary minion, add a random Legendary minion to your hand.
- New: After you play a Legendary minion, add a random Legendary minion to your hand. It costs (1) less.
- Old: After the first time you spend a Corpse in a turn, gain 1 Health.
- New: After the first time you spend a Corpse in a turn, gain 2 Health.
- Old: Whenever a friendly Beast dies, draw a card.
- New: After the first time a friendly Beast dies in a turn, draw a minion from your deck and give it +1 Attack.
- Old: After you play a minion, shuffle two copies of it into your deck. They cost (3).
- New: After you play a minion, shuffle two copies of it into your deck. They cost (2).
- Old: Whenever a minion is Frozen, add a copy of it to your hand. It costs (1) less.
- New: Whenever a minion is Frozen, add a copy of it to your hand. It costs (2) less.
- Old: After you cast a Fel spell, shuffle 2 Fel Rifts into your deck.
- New: After you cast your first Fel spell in a turn, shuffle 2 Fel Rifts into your deck. Draw a card.
- Old: After you play a Dragon, give it Deathrattle: Go dormant. Revive in two turns.
- New: After you play a Dragon, give it Deathrattle: Go dormant. Revive in two turns. When this awakens, give it +1 Attack.
- Old: After the first time a friendly Demon dies in a turn, draw a minion from your deck.
- New: After the first time a friendly Demon dies in a turn, draw a minion from your deck and give it +1 Attack.
Card and Treasure Pool Updates
- Kingsbane has been banned from deckbuilding and all card pools.
- Spectral Cutlass has been banned from deckbuilding and all card pools.
- Heavy Armor has been removed from all treasure pools.
Patch 26.2.2.176014 (2023-05-19)[]
Hero Power Updates
- Old: [1 Mana]
- New: [2 Mana]
- Old: Destroy a minion, then summon two 2/2 Treants for that minion's owner.
- New: Destroy a minion, then summon two 1/1 Saplings for that minion's owner.
- Old: [Passive] After you cast a spell, deal 1 damage to the enemy hero.
- New: [1 Mana] After each spell you cast this turn, deal 1 damage to the enemy hero.
- Old: Discover a card from your deck.
- New: Discover a Beast.
Signature Treasure Updates
- Old: [2 Mana]
- New: [3 Mana]
- Old: 3 Attack, 3 Durability
- New: 1 Attack, 3 Durability
- Old: [6 Mana]
- New: [7 Mana]
- Old: [7 Mana]
- New: [9 Mana]
Passive Treasure Updates
- Old: Whenever you play a Discover card, all friendly minions gain +1/+1.
- New: After you play your first Discover card each turn, all friendly minions get +1/+1.
- Old: After you play a minion, deal 1 damage to it and give it +2 Attack.
- New: After you play your first minion each turn, deal 1 damage to it and give it +2 Attack.
- Old: After a friendly Dragon dies, give two minions in your hand +1/+1.
- New: After the first time a friendly Dragon dies each turn, give minions in your hand +1/+1.
- Unbanned and moved to Pool 1.
- Old: Your Dragons cost (2) less.
- New: The first Dragon you play each turn costs (1) less.
- Old: At the end of your turn, summon a 2/1 Ice Shard if you've cast a Frost spell this turn.
- New: At the end of your turn, summon a 2/3 Water Elemental if you've cast a Frost spell this turn.
- Old: After you cast your first Fire spell in a turn, add a random Fire spell to your hand.
- New: After you cast your first Fire spell in a turn, add a random non-Legendary Fire spell from your class to your hand.
- Old: At the start of the game, shuffle 5 Lich King cards into your deck.
- New: At the start of the game, shuffle 8 Lich King cards into your deck.
- Old: Whenever a minion is Frozen, add a copy of it to your hand.
- New: Whenever a minion is Frozen, add a copy of it to your hand. It costs (1) less.
- Old: Whenever a Demon dies, draw a card.
- New: After the first time a friendly Demon dies in a turn, draw a minion from your deck.
Patch 26.0.4.173781 (2023-04-27)[]
- Sister Svalna, Linecracker, Clockwork Automaton, Elwynn Boar, Edwin VanCleef, and Tamsin's Phylactery have been banned from the eligible card pools.
Hero Power Updates No Guts, No Glory (Warrior)
- Old: [1 Mana]
- New: [2 Mana]
Lichborne Might (Death Knight – Sai Shadowstorm)
- Old: [1 Mana]
- New: [2 Mana]
Warmaster's Frenzy (Neutral – Drek'Thar)
- Old: [1 Mana]
- New: [2 Mana]
Signature Treasure Updates Devout Blessings
- Old: Add a copy of each Deathrattle minion that died this game to your hand. Allied: Priest.
- New: Add a copy of each friendly Deathrattle minion that died after your last turn to your hand. Allied: Priest
- Old: [2 Mana]
- New: [3 Mana]
- Old: [3 Mana] At the end of your turn, add a random Eclipse spell to your hand. Your Eclipse spells cost (0).
- New: [4 Mana] At the end of your turn, add both Eclipse spells to your hand. Your Eclipse spells cost (0).
- Old: [7 Mana]
- New: [6 Mana]
- Old: [4 Mana]
- New: [3 Mana]
- Old: 3 Attack, 2 Durability
- New: 2 Attack, 3 Durability
- Old: [6 Mana] Battlecry: Draw 2 cards. Any minions you draw cost (2) less.
- New: [5 Mana] Battlecry: Draw 3 cards. Any minions your draw cost (2) less.
- Old: [4 Mana]
- New: [3 Mana]
Treasure Pool Updates
- Ancient Reflections, Bag of Stuffing, and Mask of Mimicry have been temporarily removed from all Treasure Pools.
- Royal Gift and Location, Location, Location! have been moved to Treasure Pool 2.
Passive Treasure Updates Eerie Stone
- Old: After you destroy a minion with a Shadow spell, add a copy of that minion to your hand. Reduce its Cost by (2).
- New: After you destroy an enemy minion with a Shadow spell, add a copy of that minion to your hand. It costs (2) less.
- Old: After you destroy an enemy minion with a spell, summon a Volatile Skeleton.
- New: After you cast a spell that kills an enemy, summon a 2/2 Volatile Skeleton.
- Old: After a friendly minion loses its Divine Shield, give it +2/+2.
- New: After a friendly minion loses its Divine Shield, give it +2/+1.
- Old: After you play a minion with Divine Shield, give a random friendly minion Divine Shield.
- New: After you play your first Divine Shield minion each turn, give a random friendly minion Divine Shield.
- Old: After you play a Deathrattle minion, give it Reborn.
- New: After you play your first Deathrattle minion each turn, give it Reborn.
- Old: Your Taunt minions cost (3) less, but not less than (2).
- New: Your Taunt minions cost (2) less, but not less than (2).
- Old: After the first time you Freeze an enemy each turn, gain 1 Armor.
- New: After the first time you Freeze an enemy each turn, gain 2 Armor.
- Old: After you Dredge, draw a card and shuffle your deck.
- New: After the first time you Dredge each turn, draw a card.
- Old: At the start of the game, shuffle 5 Death Knight cards into your deck.
- New: At the start of the game, shuffle 5 Lich King cards into your deck.
- Dev Comment: Unholy Gift and Rune Helmet now use the updated version of Obliterate.
Patch 26.0.0.170824 (2023-04-11)[]
Hero Power Updates
- Outlander (Demon Hunter)
- Old: After you play the left- or right-most card in your hand, gain +1 Attack this turn.
- 'New: If you played a card with Outcast this turn, add a random Fel spell to your hand.
- Illidari Strike (Demon Hunter)
- Old: [1 Mana]
- New: [2 Mana]
- Starseeker (Druid)
- Old: After you cast 3 spells in a turn, add a Moonfire to your hand.
- New: After you cast 4 spells in a turn, add a Moonfire to your hand.
- Well Equipped (Hunter)
- Old: Equip a random weapon and set its Durability to 1.
- New: Equip a random weapon from your class and set its Durability to 1.
- Power Up! (Paladin)
- Old: Give a minion Windfury and Divine Shield. Overload: (1).
- New: Give a minion Windfury and Divine Shield. Overload: (2).
- Connections (Rogue)
- Old: [1 Mana] Add a random 1-Cost minion to your hand.
- New: [Passive] At the start of your turn, add a random 1-Cost minion to your hand.
- Vile Concoction (Rogue)
- Old: Give a minion Poisonous. Combo: And +1/+1 and Stealth for 1 turn.
- New: Give a minion Poisonous. Combo: Add a Concoction to your hand.
Treasure Updates
- Moonbeast (Druid)
- Old: [4 Mana] 4 Attack, 6 Health.
- New: [3 Mana] 3 Attack, 5 Health.
- Herding Horn (Druid)
- Old: [3 Mana]
- New: [2 Mana]
- Gatling Wand (Mage)
- Old: [5 Mana]
- New: [3 Mana]
- Humble Blessings (Paladin)
- Old: [4 Mana]
- New: [5 Mana]
- Addarah (Priest)
- Old: [7 Mana]
- New: [8 Mana]
- Tempest's Fury (Shaman)
- Old: [4 Mana]
- New: [5 Mana]
- Gift of the Old Gods (Warlock)
- Old: Draw 2 Corrupt cards, then Corrupt them.
- New: Discover 2 Corrupt cards, then Corrupt them.
- Collector's Ire (Warrior)
- Old: [4 Mana] Summon a Mech, Pirate, and Dragon from your hand.
- New: [7 Mana] Summon a Mech, Pirate, and Dragon from your deck.
- Pact of the Lich (Drek'Thar)
- Old: [4 Mana]
- New: [6 Mana]
- Devout Blessings (Vanndar)
- Old: [5 Mana]
- New: [6 Mana]
- Rending Ambush (Vanndar)
- Old: [6 Mana]
- New: [5 Mana]
- Stalker's Supplies (Vanndar)
- Old: [3 Mana]
- New: [2 Mana]
Patch 25.4.3.168129 (2023-03-02)[]
Hero Power Updates
- Old: Summon a 1/1 Ghoul with Charge and Reborn. It dies at end of turn.
- New: Summon a 2/1 Ghoul with Charge. It dies at end of turn.
- Old: [2 Mana]
- New: [3 Mana]
- Old: [1 Mana]
- New: [2 Mana]
- Old: [1 Mana] Summon a 0/1 Voidfiend.
- New: [2 Mana] Summon a 0/2 Voidfiend.
- Old: Restore 3 Health to a character. If it is still damaged, draw a card.
- New: Restore 2 Health to a character. If it is still damaged, draw a card.
- Old: [1 Mana]
- New: [0 Mana]
- Old: [2 Mana]
- New: [1 Mana]
- Old: [2 Mana]
- New: [1 Mana]
Signature Treasure Updates
- Old: [4 Mana]
- New: [5 Mana]
- Old: [4 Mana]
- New: [3 Mana]
- Old: [8 Mana]
- New: [6 Mana]
- Old: [3 Mana] 2 Attack, 3 Durability
- New: [2 Mana] 1 Attack, 3 Durability
- Old: [5 Mana]
- New: [4 Mana]
- Old: 3 Durability
- New: 5 Durability
- Old: [4 Mana] Silence a minion. Then summon 2 copies of it.
- New: [6 Mana] Summon 2 copies of a minion, then Silence it.
- Old: [5 Mana] Destroy a minion and summon 0/1 Voidfiends equal to its Health.
- New: [4 Mana] Destroy a minion and summon 0/2 Voidfiends equal to half its Health, rounded up.
- Old: [7 Mana]
- New: [6 Mana]
- Old: [6 Mana]
- New: [5 Mana]
Treasure Pool Updates
- “Be Our Guest” has been removed from Treasure Pool 1.
Patch 25.2.2.163976 (2023-01-26)[]
Card Pool Update
- To the Front! has been banned from deck building and card buckets.
Hero Power Updates
- Scourging (Death Knight):
- Old: [2 Mana]
- New: [1 Mana]
- Illidari Strike (Demon Hunter)
- Old: [2 Mana]
- New: [1 Mana]
- Harvest Time! (Druid)
- Old: [2 Mana]
- New: [3 Mana]
- Frost Shards (Mage)
- Old: [2 Mana]
- New: [1 Mana]
- Call of Madness (Priest)
- Old: [2 Mana]
- New: [1 Mana]
Passive Treasure Update
- Bitter Cold
- Old: +2 Frost Damage
- New: +1 Frost Damage
Signature Treasure Updates
- Glaciaxe
- Old: [4 Mana] 5 Attack, 2 Durability
- New: [4 Mana] 3 Attack, 2 Durability
- Wings of Glaciaxe (generated by Glaciaxe)
- Old: [4 Mana] 2 Attack, 5 Durability. Windfury, Deathrattle: Summon four 1/1 Zombies with Reborn.
- New: [4 Mana] 2 Attack, 3 Durability. Windfury, Deathrattle: Summon three 1/1 Zombies with Reborn.
- Crimson
- Old: 1 Attack, 1 Health
- New: 2 Attack, 2 Health
- Blade of Quickening
- Old: [5 Mana]
- New: [4 Mana]
- Academic Research
- Old: [3 Mana]
- New: [2 Mana]
- Herding Horn
- Old: [4 Mana]
- New: [3 Mana]
- Ol' Faithful
- Old: [5 Mana]
- New: [4 Mana]
- Flo Slatebrand
- Old: [6 Mana]
- New: [5 Mana]
- Slate's Syringe
- Old: [3 Mana]
- New: [2 Mana]
- Reno's Magical Torch
- Old: Deal 4 damage. Combo: Shuffle a copy of this card into your deck that deals 2 more damage.
- New: Deal 4 damage. Combo: Shuffle a copy of this card into your deck that deals 1 more damage.
- Britz Blazebucket
- Old: [2 Mana]
- New: [3 Mana]
- Karl the Lost
- Old: [8 Mana]
- New: [10 Mana]
- Forge in Light
- Old: [6 Mana]
- New: [7 Mana]
- Devout Blessings
- Old: [4 Mana]
- New: [5 Mana]
- Herald of the Scaled Ones
- Old: [5 Mana] 4 Attack, 6 Health
- New: [4 Mana] 4 Attack, 5 Health
- Droplet of Insanity
- Old: [4 Mana]
- New: [3 Mana]
- Scion of the Deep
- Old: [2 Mana] 2 Attack, 4 Health
- New: [1 Mana] 1 Attack, 3 Health
- Sr. Navigator
- Old: [5 Mana] 2 Attack, 10 Health
- New: [4 Mana] 2 Attack, 6 Health
- Staff of Renewal
- Old: 10 Mana
- New: 8 Mana
- Green Tortollan Shell
- Old: [2 Mana] 1 Attack, 2 Durability
- New: [3 Mana] 1 Attack, 3 Durability
- Spymaster's Gambit
- Old: [7 Mana]
- New: [8 Mana]
- Invoke the Void
- Old: [7 Mana]
- New: [6 Mana]
- Grizzled Reinforcement
- Old: [5 Mana]
- New: [4 Mana]
- Collector's Ire
- Old: [5 Mana]
- New: [4 Mana]
- Brewster, the Brutal
- Old: [7 Mana] 8 Attack, 6 Health
- New: [6 Mana] 7 Attack, 5 Health
2022[]
Patch 24.2.2.149417 (2022-09-09)[]
Hero Power Updates
- Old: 1 Mana
- New: 2 Mana
- Old: 2 Mana
- New: 3 Mana
- Old: Passive Hero Power. At the start of your turn, Discover which card you draw.
- New: [2 Mana] Discover a card from your deck.
- Old: 1 Mana
- New: 2 Mana
Signature Treasure Changes
- Old: [5 Mana] Gain 4 empty mana crystals. Allied: Druid.
- New: [6 Mana] Gain 3 empty mana crystals. Allied: Druid.
- Old: 2 Mana
- New: 3 Mana
- Old: 2 Mana
- New: 3 Mana
- Old: Draw 3 cards. Any minions you draw cost (4) less.
- New: Draw 2 cards. Any minions you draw cost (2) less.
- Old: 4 Mana
- New: 5 Mana
- Old: 6 Mana
- New: 8 Mana
- Old: 1 Mana
- New: 2 Mana
- Old: 2 Mana
- New: 5 Mana
- Old: 6 Mana
- New: 8 Mana
- Old: 3 Mana
- New: 4 Mana
- Old: Discover a Choose One card. It has both effects combined. Shuffle this card into your deck.
- New: Discover a Choose One card, then shuffle it into your deck. It has both effects combined. Repeat 3 times.
Passive Treasure Changes
- Old: Whenever you Freeze an enemy, gain 1 Armor.
- New: After the first time you Freeze an enemy each turn, gain 1 Armor.
- Old: At the start of game, put 3 Colossal minions on the bottom of your deck. They cost (3) less.
- New: At the start of the game, put 2 Colossal minions on the bottom of your deck. They cost (3) less.
- Old: After you cast a Fel spell, deal 2 damage to the lowest-Health enemy.
- New: After you cast a Fel spell, deal 1 damage to the lowest-Health enemy.
- Old: After a friendly Rush minion attacks an enemy minion, deal 1 damage to adjacent enemy minions.
- New: After a friendly Rush minion attacks an enemy minion, deal 1 damage to a random adjacent enemy minion.
- Old: Whenever damage is dealt to a Frozen enemy, double it.
- New: Whenever damage is dealt to a Frozen enemy, deal 1 more.
- Old: At the end of your turn, summon a 3/6 Water Elemental if you've cast a Frost spell this turn.
- New: At the end of your turn, summon a 2/1 Ice Shard if you've cast a Frost spell this turn.
- Old: After you play a Rush minion, summon a copy with 1 Health.
- New: After you play your first Rush minion in a turn, summon a copy with 1 Health.
- Moved from Pool 1 to Pool 2.
- Removed from all Passive treasure pools.
- Removed from all Passive treasure pools.
Patch 24.0.3.147348 (2022-08-16)[]
- Passive treasures
- Brittle Bones now only triggers if an enemy minion is destroyed with a spell.
- Active treasures
- Killmox, the Banished One is now counted as an Imp.
- Darius Crowley's “Grizzled Reinforcement” signature treasure reduced from 6 mana to 5 mana.
- Hero Powers
- Darius Crowley (Duels hero)'s “Fire!” hero power reduced from 2 mana to 1 mana.
- Darius Crowley's “Fire at Thee!” hero power reduced from 3 mana to 2 mana.
Patch 24.0.0.145077 (2022-07-26)[]
- Passive treasues
- Plaguebringer - Removed from Duels.
- Hero Powers
- Bubble Blower - Old: 1 Mana → New: 0 Mana
- Demon Blood - Old: Give a random Demon in your hand +2/+1. → New: Give a random Demon in your hand +2/+2.
- Active treasures
- Marvelous Mycelium - Old: Discover two Choose One cards. They have both effects combined. Shuffle this card into your deck. → New: Discover a Choose One card. It has both effects combined. Shuffle this card into your deck.
- Flames of the Kirin Tor - Old: Passive After you cast your first Fire spell in a turn, add a Fireball to your hand. → New: Passive After you cast your first Fire spell in a turn, add a random Fire spell to your hand.
- Sr. Excavator - Old: 5 Mana → New: 6 Mana
- Ol' Faithful - Old: 4 Mana → New: 5 Mana
- Titan-Forged Grapnel - Old: 4 Mana → New: 5 Mana
- Stalking Pride - Old: 7 Mana → New: 5 Mana
- Magister Unchained - Old: 1 Mana → New: 2 Mana
- Tempest's Fury - Old: 3 Attack → New: 2 Attack
Patch 23.2.2.139522 (2022-05-19)[]
- Passive treasures
- Dragon Affinity - Removed from Duels.
- Tuned synergy rules for Kindling Flame, Flames of the Kirin Tor, Flame Waves, Firekeeper's Idol, and Emerald Goggles.
Patch 23.0.3.137436 (2022-04-26)[]
- Active treasures
- Valorous Display - Now costs 7 (Up from 6).
- Tempest's Fury - Now costs 4 mana (Up from 3). Now has 3 Attack (Up from 2).
- Scales of Justice - Now costs 6 (Up from 5).
- Power Up! - Now has Overload: (1).
- Ol' Faithful - Now costs 4 (Up from 3).
- Humble Blessings - Now costs 4 mana (Up from 3).
- Academic Research - Now reads: Gain 1 empty Mana Crystal. (Upgrades each time a friendly minion dies). (Previously: Start of Game: Draw this. Gain 1 Mana Crystal. (Upgrades each time a friendly minion dies).
Patch 23.0.0.135540 (2022-04-05)[]
- Active treasures
- Traktamer Aelessa - Now has 5 Health (Up from 3).
- Su Leadfoot - Now costs 3 mana (Down from 4).
- Slate's Syringe - Now reads: ...up to 4 Attack and Health... (previously: ...up to 3 Attack and Health...).
- Scion of the Deep - Now costs 2 mana (Down from 3). Now has 4 Health (Up from 2).
- Necrotic Poison - Now has Shadow spell school (previously: Nature).
- Moonbeast - Now has 6 Health (Up from 5). Now reads: At the end of your turn, add a random Eclipse spell to your hand. Your Eclipse spells cost (0). (previously: Your Eclipse spells cost (0)).
- Mo'arg Outcast - Now costs 3 mana (Down from 4).
- Marvelous Mycelium - Now reads: Discover two Choose One cards. They have both effects combined. Shuffle this card into your deck. (previously: Discover a Choose One card. Choose One cards and powers have both effects combined until end of turn.).
- Joras Thuldoom - Now has Rush.
- Humble Blessings - Now costs 3 mana (Down from 4).
- Gift of the Old Gods - Now costs 4 mana (Down from 6).
- Droplet of Insanity - Now costs 4 mana (Down from 5).
- Drocomurchanicas - Now reads: ...they cost (3) less... (previously: ...they cost (2) less...).
- Collector's Ire - Now costs 5 mana (Down from 6).
- Britz Blazebucket - Now reads: ...summon two random minions... (previously: ...summon a random minion...).
- Ace in the Hole - Now costs 2 mana (Down from 3).
- Passive treasures
- Unstable Magic - Moved to Passive Pool 2 Ultra Rare (previously: Passive Pool 2)
- Legendary Loot - Moved to Pool 2 Ultra Rare (Up from Pool 2).
- Flame Waves - Now reads: ...deal 2 damage to all enemy minions... (previously: ...deal 2 damage to all enemies...).
Patch 22.4.0.131660 (2022-02-15)[]
- Active treasures
- Infinite Arcane - Now costs 7 mana (Up from 5).
- Passive treasures
- Draconic Dream - Now reads: After you play a Dragon, shuffle a Dream Portal into your deck that summons a Dragon when drawn. (Previously: After you summon a dragon...).
Patch 22.2.2.131337 (2022-02-08)[]
- Hero powers
- Battle Tactics - Now reads: Reduce the cost of two Neutral minions in your hand that cost (4) or more by (2). (Previously: Reduce the cost of all Neutral minions...).
- Passive treasures
- Disks of Legend - Moved to Pool 2 Ultra Rare (Up from Pool 2).
Patch 22.2.0.130051 (2022-01-25)[]
- Hero powers
- Bruising - Now costs 1 mana (Up from 0).
- Active treasures
- LOCUUUUSTS!!! - Removed from Duels (previously: in Active Pool 2).
- Shadow Word: Void - Now costs 4 mana (Up from 3).
- Royal Greatsword - Now costs 4 mana (Up from 3). Now has 5 Attack (Down from 6).
- Payload Totem Specialist - Now costs 4 mana (Up from 3).
- Deathstrider - Now costs 4 mana (Up from 2).
- Blade of Quickening - Now costs 5 mana (Up from 4).
- Bag of Coins - Moved to Active Pool 2 (previously: Active Pool 1).
- Passive treasures
- Fireshaper - Removed from Duels (previously: in Passive Pool 1).
- Ever-Changing Elixir - Removed from Duels (previously: in Passive Pool 1).
- Conduit of the Storms - Removed from Duels (previously: in Passive Pool 1).
- Shadowcasting 101 - Now Passive Pool 1 (Previously: Passive Pool 2 Ultra Rare).
- Dragonbone Ritual - Now reads: After you play a Dragon, give it Deathrattle: Go dormant. Revive in two turns. (Previously: three turns).
- All Together Now - Moved to Pool 2 (Up from 1).
2021[]
Patch 21.8.0.126451 (2021-11-16)[]
- Active treasures
- Quel'Delar - Now also reads: Start of Game: Draw this.
- Passive treasures
- Legendary Loot - Now reads: On your first turn, Discover a Legendary weapon and equip it. (Previously: Passive On your first turn, Discover a Legendary weapon.)
Patch 21.6.0.124497 (2021-11-02)[]
- General
- Deadmines mini-set is added to the pool of eligible cards of starting deck
- New hero for a limited time - Diablo
- Hero Powers
- All original Scholomance Heroes will have all their unlock requirements removed.
- Dev Comment: School's out for Summer!
- Treasure cards
- New Active treasures
- Black Soulstone. Pool 2; available to all heroes except for Diablo.
- Small Backpacks - Passive Pool 1.
- Book of Wonders, Cannibalism, Starving, From the Swamp, All Together Now - moved from Passive Pool 2 to Passive Pool 1.
- Elixir of Vigor, Ooops, All Spells!, Meek Mastery, Rally the Troops - moved from Passive Pool 2 Ultra Rare to Passive Pool 2.
- Small Pouches, Rhonin's Scrying Orb, Caltrops, Scattered Caltrops - removed.
- All Shall Serve - Now reads: Whenever a Demon dies, draw a card. (previously: Whenever a Demon dies, draw a card and deal 1 damage to your hero.)
- All Together Now - Now reads: Your Battlecry cards cost (1) less, but not less than (2). (previously: not less than (1))
- Corrupted Felstone - Now reads: Whenever you cast a Fel spell, give the left- and right-most minions in your hand +2/+2. (previously: Whenever you cast a Fel spell, give a minion in your hand +3/+2.)
- Deathly Death! - Now reads: After a friendly Deathrattle minion dies, trigger the Deathrattle of a friendly minion. (previously: After a friendly Deathrattle minion dies, destroy the minion with the lowest Health.)
- Dragonblood - Now reads: After a friendly Dragon dies, give two minions in your hand +1/+1. (previously: After a friendly Dragon dies, give your minions +1/+2.)
- Eerie Stone - Now reads: After you destroy a minion with a Shadow spell, add a copy of that minion to your hand. Reduce its costs by (2). (previously: now mana reduction)
- Elixir of Vigor - Now reads: After you play a minion, shuffle two copies of it into your deck. They cost 3). (previously: cost (1))
- Endurance Training - Now reads: Your Taunt minions cost (3) less, but not less than (2). (previously: not less than (1))
- Ever-Changing Elixir - Now reads: At the end of your turn, transform a friendly minion into one that costs (2) more. (previously: (1) less)
- Firekeeper's Idol - Now reads: After you cast a Fire spell, summon a 1/2 Flame Elemental and add one to your hand. (previously: After you cast a Fire spell, summon a 1/2 Flame Elemental.)
- Freeze Solid - Now reads: Whenever you deal damage to a Frozen character, double it. (previously: Whenever damage is dealt to a Frozen enemy minion, destroy it.)
- From the Swamp - Now reads: After the first enemy dies each turn, raise a 1/1 Bloated Zombie. (previously: a 1/3)
- Grommash's Armguards - Now reads: Your Weapons cost (1) less. At the start of the match, draw a weapon. (previously: Your Weapons cost (1) less.)
- Hagatha's Embrace - Now reads: At the start of your turn, give two random minions in your hand +1/+1. (previously: give a random minion in your hand +1/+1)
- Inspiring Presence - Now reads: After you play a Legendary minion, reduce the cost of a random card in your hand by (2). (previously: reduce the cost of a random minion in your hand by (1))
- Invigorating Light - Now reads: Whenever you play a Holy spell, give all friendly characters +1 Health. (previously: all friendly minions)
- Legendary Loot - Now reads: On your first turn, Discover a Legendary weapon. (previously: At the start of the game, equip a random Legendary weapon.)
- Meek Mastery - Now reads: Your Neutral minions have +1/+1 and cost (1) less, but not less that (2). (previously: Your Neutral minions cost (1) less and have +1/+1.)
- Mending Pools - Now reads: Whenever you play a Nature spell, restore 2 Health to all friendly characters. (previously: restore 2 Health to your hero)
- Ooops, All Spells! - Now reads: At the start of the game, destroy all minions in your deck. Your spells cost (1) less. (previously: Your spells cost (1) less and gain +2 Spell Damage.)
- Orb of Revelation - Now reads: After your first Discover in a turn, reduce the cost of spells in your hand by (1), but not less than (2). (previously: not less than (1))
- Pillage the Fallen - Now reads: Whenever your weapon is destroyed, equip a random weapon of the same cost. Give it +1 Attack. (previously: no Increment attribute)
- Rally the Troops - Now reads: After you play your first Battlecry card in a turn, draw a card. It costs (2) less, but not less than (2). (previously: After you play your first Battlecry card in a turn, draw a card. It costs (2) less.)
- The Floor is Lava - Now reads: After you play a minion, deal 1 damage to it and give it +2 Attack. (previously: +1 Attack)
Patch 21.3.0.93849 (2021-09-21)[]
- General
- Voidtouched Attendant is now banned from deck-building.
- Treasure cards
- All Together Now - moved from Passive Pool 1 to Pool 2.
- Party Replacement, Rally the Troops, Ooops, All Spells! - moved from Passive Pool 2 to Pool 2 Ultra Rare.
Patch 21.2.0.91456 (2021-08-31)[]
- Treasure cards
- Meek Mastery - moved from Passive Pool 1 to Pool 2
- Dev Comment: In this patch, we are moving Meek Mastery to Passive Treasure Pool 2. We will continue to monitor Duels and make small adjustments as needed while we work on a much larger Duels update, planned for later in this expansion cycle.
Patch 21.0.0.88998 (2021-07-27)[]
- General
- United in Stormwind and Kobolds & Catacombs sets are added to the pool of eligible cards of starting deck
- Treasure cards
- New Passive treasures: Party Replacement, Inspiring Presence, Greedy Gains, Meek Mastery, Legendary Loot, Deathly Death!, Ooops, All Spells!.
Patch 20.8.0.86601 (2021-07-02)[]
- Treasure cards
- Cannibalism, Rally the Troops, Orb of Revelation, Band of Bees. From the Swamp are moved to Passive Pool 2
- Band of Bees - Now reads: Whenever you play a minion that cost (2) or less, give it Poisonous. (previously: Your minions that cost (2) or less have Poisonous.)
- Cannibalism - Now reads: Whenever a friendly minion dies, give adjacent minions +1 Attack. (previously: Whenever a friendly minion dies, give your minions +1 Attack.)
- Corrupted Felstone - Now reads: Whenever you cast a Fel spell, give a minion in your hand +3/+2. (previosuly: +2/+2)
- Dragonblood - Now reads: After a friendly Dragon dies, give your minions +1/+2. (previously: +1/+1)
- Endurance Training - Now reads: Your Taunt minions cost (3) less, but not less than (1). (previously: (2) less)
- Flame Waves - Now reads: At the end of your turn, deal 2 damage to all enemies for each Fire spell you've cast this turn. (previously: deal damage to all enemies)
- From the Swamp - Now reads: After the first enemy dies each turn, raise a 1/3 Bloated Zombie. (previosuly: Whenever an enemy dies, raise a 1/1 Bloated Zombie.)
- Hold the Line - Now reads: Your Taunt minions have +3 Attack during your opponent's turn. (previously: +2 Attack)
- Invigorating Light - Now reads: Whenever you play a Holy spell, give +1 Health to all friendly minions. (previously: After you play a Holy spell, restore 1 Health to all friendly characters.)
- Orb of Revelation - Now reads: After your first Discover in a turn, reduce the cost of spells in your hand by (1), but not less than (1). (previously: by (2))
- Rally the Troops - Now reads: After you play your first Battlecry card in a turn, draw a card. It costs (2) less. (previously: (3) less)
- Special Delivery - Now reads: After you play a Rush minion, summon a copy with 1 Health. (previously: with 1 Health remaining)
Patch 20.2.2.82994 (2021-05-12)[]
- Treasure cards
- Orb of Revelation - moved from Passive Pool 2 to Passive Pool 2 Ultra Rare.
- Rally the Troops - moved from Passive Pool 2 to Passive Pool 2 Ultra Rare.
Patch 20.2.0.81706 (2021-05-04)[]
- General
- New tech has been added so that you'll more regularly be offered Treasures that synergize better with the cards in your deck.
- Nozdormu the Eternal has been unbanned.
- Signature Treasure cards
- Humble Blessings - Now costs 4 mana (Up from 3)
Patch 20.0.2.79904 (2021-04-13)[]
- Hero Powers
- Connections - Now costs 1 mana (previously: Passive)
- Signature Treasure cards
- Ace in the Hole - Now costs 3 mana (Up from 2)
- Treasure cards
- Rally the Troops - Now reads: After you play your first Battlecry card in a turn, draw a card. It costs (3) less. (previously: (5) less)
Patch 19.6.0.74257 (2021-02-19)[]
- Hero Powers
- Frost Shards - Now costs 2 mana (Up from 1)
- Signature Treasure cards
- Men at Arms - Now costs 4 mana (Down from 6)
- Humble Blessings - Now costs 3 mana (Down from 5)
- Fluctuating Totem - Now has 1 Attack (Up from 0). Now has 4 Health (Up from 3).
- Demonizer - Now costs 4 mana (Up from 3)
- Killmox, the Banished One - Now costs 7 mana (Up from 6)
- Spiked Arms - Now has 3 Attack (Down from 4). Now has 3 Durability (Up from 1).
- Treasure cards
- Gattling Gunner - removed from the Active pool
- Mage Armor - is now a neutral card (previously: mage)
Patch 19.4.1.72661 (2021-01-28)[]
- Hero Powers
- Outlander - Now is an active Hero Power and costs 1 mana. (previously: Passive Hero Power)
- Death Games - Now reads: Trigger a random friendly minion's Deathrattle. (previously: Trigger a minion's Deathrattle.)
- Signature Treasure cards
- Bonecrusher - Now costs 8 mana (Up from 6). Is now a Beast (previously: no minion type).
- Fractured Spirits - Now costs 4 mana (Down from 5)
- Royal Greatsword - Now costs 5 mana (Down from 6)
- Herald of the Scaled Ones - Is now a Dragon (previously: no minion type)
- Treasure cards
- Cannibalism - moved from Passive pool 1 to pool 2
- Sandy Surprise - removed from the Passive pool
Patch 19.4.0.71003 (2021-01-21)[]
- Hero Powers
- Added a new Hero Power for each class.
- Signature Treasure cards
- Added two new Signature Treasures for each class and five dual-class ones.
- Treasure cards
- Added new Passive treasures: All Shall Serve, Dragonblood, Starving, The Floor is Lava.
- Added new Active treasures: Mage Armor, Astral Portal.
2020[]
Patch 19.2.0.68600 (2020-12-15)[]
- General
- Reduced the number of unique Madness at the Darkmoon Faire Epic cards required for unlocking Hero Power #2 for each class from 10 to 5.
- Reduced the number of unique Madness at the Darkmoon Faire cards required for unlocking Signature Treasure #2 for each class from 100 to 90.
- Reduced the number of unique Scholomance Academy Epic cards required for unlocking Signature Treasure #3 for each class from 20 to 15.
- Updated wording of criteria for Hero Powers and Signature Treasures to better reflect unlock requirements.
- Hero Powers
- Secret Studies - Now costs 1 mana (Down from 2)
- Connections - Shadowshell Informant no longer has Battlecry.
- Signature Treasure cards
- Mo'arg Outcast - Now costs 4 mana (Up from 3)
- Gift of the Legion - Now costs 3 mana (Up from 2)
- Herding Horn - Now costs 4 mana (Down from 5)
- Drocomurchanicas - Now costs 4 mana (Down from 5)
- Killmox, the Banished One - Now reads: Rush. Lifesteal. This minion has +1/+1 for each card you discarded this game. If this minion is discarded, return it to your hand. (previously: ...+2/+2...)
- Dev Comment: Turns out Killmox was a Killjoy…moved to +1/+1.
Server-side patch (2020-11-18)[]
- Treasure cards
- Lunar Band - removed from the Passive pool
- From the Swamp - moved from Passive pool 1 to pool 2
- Band of Bees - moved from Passive pool 2 to pool 2 Ultra Rare
- Phaoris' Blade - moved from Active pool 1 to pool 2. Now costs 5 mana (Up from 4).
- Grimmer Patron - moved from Active pool 1 to pool 2
- Wax Rager - moved from Active pool 2 to pool 2 Ultra Rare
Patch 19.0.0.65614 (2020-11-12)[]
- Hero Powers
- Added a new unlockable Hero Power for each class.
- Signature Treasure cards
- Added two new Signature Treasures for each class.
- Treasure cards
- Added new Passive treasures: Cannibalism, Dragon Affinity, Fireshaper, Grommash's Armguards, Plaguebringer, Sandy Surprise, Staking A Claim, Dragonbone Ritual, From the Swamp, Manastorm.
- Sticky Fingers - Now reads: "Cards that didn't start in your deck cost (1) less, but not less than (1)." (Previously: "Cards that didn't start in your deck cost (1) less.")
Patch 18.6.1.65000 (2020-11-05)[]
- Hero Powers
- Roguish Maneuvers - Now costs 1 mana (Down from 2)
- Totemic Power - Now reads: Summon a random Totem. If you’re Overloaded, summon a non-basic Totem instead. (previously: Summon a random Totem. If you’re Overloaded, summon a non-basic Totem as well.)
- Dark Arts - Now costs 1 mana (Down from 2)
- No Guts, No Glory - Now costs 1 mana (Down from 2)
- Signature Treasure cards
- Summoning Ritual - Now costs 5 mana (Up from 4)
- Deadly Weapons 101 - Now reads: Give your weapon +2/+2. Combo: Also give it Poisonous. (previously: Give your weapon +2/+1...)
- Treasure cards
- Mr. Bigglesworth - removed from the active Treasures pool
- Dev Comment: Mr. Bigglesworth was a very bad kitty and snuck into the pool, he has now been removed and is being dried off.
- Party Portal - Now has 4 Health (Down from 6)
- Amalgamate - Now costs 0 mana (Down from 1)
- Spyglass - Now costs 1 mana (Down from 2)
- Canopic Jars - Now costs 5 mana (Up from 4)
- Wish - Now costs 10 mana (Down from 11)
- Pure Cold - Now costs 5 mana (Down from 6)
- Crystal Gem - Now reads: On your first two turns you have 1 extra Mana Crystal. (previously: On your first turn you have 2 Mana Crystals.)
Server-side patch (2020-10-23)[]
- Treasure cards
- Robes of Gaudiness - removed from the passive Treasures pool.