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Year of the Hydra - SVG logo.svg
CoreIcon Even.png
Collection name:Core
Ann. date:February 20, 2021
Release date:March 30, 2021
Total cards
By rarity:130 Common, 55 Rare, 29 Epic, 36 Legendary

Core is the primary card set of Hearthstone. It was first made available on March 30, 2021, along with Forged in the Barrens launch.

The purpose of the Core is to provide a modern collection of starting cards to players of all types and make Hearthstone even more approachable for newcomers. Some of the Core cards are returning from previous sets, some are reimagined favorites, some are completely new. Regardless, all Core cards can be obtained for free through leveling up classes, while their golden cards can be obtained by winning in Ranked, Arena, or Duels games.

Unlike Basic and Classic, which were the main card sets of Hearthstone, Core will be refreshed each year. At the end of every year, a new Core Set will take the place of the previous, comprised of new and existing cards. When that happens, Core cards that are rotating will be swapped with new ones in the player's Collection automatically. The original versions of these cards can still be crafted and disenchanted, but the player will be unable to keep their Core versions.[1][2]

Core cards can be used in Standard and Wild format, although you may still only have the normal number of copies of any given card in your deck (two for most rarities, one for legendaries).


  • All the old cards in the Core set will have two versions that exist in parallel: One from the original set, and one from the Core set.
    • The original version can be crafted or disenchanted for Arcane Dust, while the Core version is uncraftable.
    • The Core set version is temporary and can be removed depending on the announcement of the next year's Core set.
    • In Wild format, both the original and Core versions are associated; therefore you can only bring either 2 copies of either of them. For example, you can only put:
    • Both versions are treated as the same cards for the Highlander cards' conditions.
    • Both versions are treated as separate cards for some mechanics like Discover and generation. For example:
    • In Collection manager, when you filter cards by format (Standard Cards or Wild Cards), the collection manager will prioritize the Core version over the original one if you have any copies of the Core version to display.
    • The Core set version functions like how Wild Event did.
  • Core versions of Legacy cards are not usable in Classic format. Only their original Legacy versions are usable.

How to get[]

Core cards are free to obtain without using gold or real money to purchase them.

  • Regular Core cards can be obtained by raising your class levels, up to 10 for class cards, and sum of them to 60 for neutral cards.
  • Golden Core cards can be obtained through the Progression achievements, which involve in winning Ranked, Arena, or Duels games.


Year of the Hydra's Core set consists of 250 collectible but uncraftable cards. They can be recognized with the year's watermark behind the card text, not found on other cards.

Customize this list


CORE LOEA10 3.png
CORE CS2 188.png
CORE ULD 191.png
CORE CS2 189.png
CS3 037.png
CORE CFM 120.png
CORE EX1 011.png
CORE EX1 010.png
CORE GVG 085.png
CORE NEW1 018.png
CORE EX1 162.png
CORE GVG 076.png
CORE NEW1 023.png
CORE ULD 271.png
CORE CS2 142.png
CORE EX1 096.png
CORE EX1 082.png
CORE EX1 506.png
CORE LOOT 413.png
CS3 038.png
CORE DAL 086.png
CORE EX1 049.png
CORE EX1 007.png
CORE LOE 039.png
CORE CS2 203.png
CORE EX1 017.png
CORE CS2 122.png
CORE UNG 928.png
CORE CS2 182.png
CORE EX1 046.png
CORE ICC 026.png
CORE CS2 179.png
CORE ICC 029.png
CORE EX1 028.png
CORE UNG 813.png
CORE CS2 222.png
CORE LOOT 137.png
CORE EX1 509.png
CORE EX1 066.png
CORE EX1 059.png
CS3 022.png
CORE FP1 007.png
CORE NEW1 020.png
CORE EX1 103.png
CORE UNG 844.png
CORE LOOT 124.png
CORE EX1 093.png
CORE GIL 622.png
CORE EX1 186.png
CORE EX1 043.png
CORE NEW1 026.png
CORE EX1 284.png
CORE EX1 095.png
CORE EX1 187.png
CORE NEW1 021.png
CORE EX1 507.png
CORE NEW1 027.png
CORE ULD 209.png
CORE EX1 005.png
CORE YOD 006.png
CORE EX1 564.png
CORE GIL 124.png
CORE UNG 848.png
CORE EX1 586.png
CORE LOE 076.png
CORE EX1 012.png
CORE LOE 077.png
CORE LOOT 516.png
CORE LOE 079.png
CS3 025.png
CS3 024.png
CORE EX1 110.png
CORE LOE 011.png
CORE EX1 249.png
CS3 035.png
CS3 031.png
CS3 034.png
CS3 032.png
CS3 033.png
CS3 036.png

Related cards

ULD 209t.png
DREAM 05.png
HERO 10bp.png
DREAM 04.png
EX1 506a.png
CS2 101t.png
ICC 026t.png
NEW1 026t.png
Ds1 whelptoken.png
CS2 082.png
HERO 01bp.png
HERO 03bp.png
HERO 08bp.png
DREAM 01.png
HERO 09bp.png
HERO 07bp.png
LOE 019t.png
HERO 04bp.png
HERO 06bp.png
HERO 05bp.png
HERO 02bp.png
DREAM 02.png
DREAM 03.png
LOE 019t2.png
FP1 007t.png
EX1 110t.png

Demon Hunter

CORE BT 351.png
CORE BT 480.png
CORE BT 035.png
CORE BT 491.png
CORE BT 921.png
CORE BT 036.png
CS3 017.png
CORE BT 235.png
CORE BT 427.png
CORE BT 323.png
CORE BT 416.png
CS3 020.png
CORE BT 801.png
CORE BT 355.png
CORE BT 271.png
CS3 019.png
CORE BT 429.png

Related cards

BT 429p2.png
BT 429p.png
BT 036t.png


CORE TRL 243.png
CORE AT 037.png
CORE EX1 160.png
CORE EX1 154.png
CORE OG 047.png
CORE LOE 050.png
CORE CS2 013.png
CORE EX1 158.png
CORE EX1 165.png
CORE EX1 169.png
CORE UNG 108.png
CORE CS2 009.png
CORE EX1 164.png
CORE EX1 571.png
CORE NEW1 008.png
CORE OG 044.png
CORE EX1 573.png

Related cards

CS2 013t.png
AT 037a.png
AT 037b.png
AT 037t.png
OG 044c.png
UNG 111t1.png
EX1 154b.png
EX1 154a.png
EX1 tk9.png
EX1 573t.png
SCH 612t.png
OG 044b.png
EX1 165t1.png
EX1 165t2.png
OG 044a.png
NEW1 008b.png
NEW1 008a.png

Choice cards

EX1 160b.png
EX1 160a.png
EX1 165b.png
EX1 165a.png
EX1 164b.png
EX1 164a.png
EX1 573a.png
EX1 573b.png


CORE LOOT 222.png
CORE TRL 348.png
CORE EX1 610.png
CORE EX1 611.png
CORE BRM 013.png
CORE NEW1 031.png
CORE KAR 006.png
CORE EX1 617.png
CORE GIL 828.png
CORE DAL 371.png
CORE DS1 185.png
CORE DS1 184.png
CS3 015.png
CORE EX1 534.png
CORE EX1 554.png
CORE GIL 650.png
CORE EX1 543.png

Related cards

NAX15 05.png
TRL 348t.png
EX1 554t.png
EX1 534t.png
NEW1 034.png
NEW1 033.png
NEW1 032.png


CORE BOT 453.png
CORE GIL 801.png
CORE UNG 020.png
CORE CS2 023.png
CORE EX1 275.png
CORE EX1 289.png
CORE CS2 029.png
CORE LOE 003.png
CORE KAR 009.png
CORE EX1 287.png
CORE LOOT 101.png
CORE TRL 315.png
CORE CS2 028.png
CORE CS2 032.png
CORE EX1 279.png
CS3 001.png
CORE DAL 609.png


CORE FP1 020.png
CORE EX1 130.png
CORE ICC 038.png
CORE EX1 362.png
CORE TRL 307.png
CORE DRG 229.png
CORE AT 075.png
CORE CS2 092.png
CORE CS2 093.png
CORE CS2 097.png
CORE DRG 226.png
CORE OG 273.png
CORE EX1 619.png
CORE EX1 382.png
CS3 016.png
CORE OG 229.png
CORE EX1 383.png

Related cards

EX1 130a.png
CS2 101t.png
EX1 383t.png


CORE AT 055.png
CORE CS1 130.png
CORE CS2 235.png
CORE EX1 193.png
CORE UNG 034.png
CORE EX1 622.png
CS3 013.png
CORE CS1 112.png
CORE EX1 194.png
CS3 027.png
CORE EX1 195.png
CS3 028.png
CORE CFM 605.png
CORE EX1 197.png
CORE GVG 008.png
CORE UNG 963.png
CORE DRG 090.png


CORE CS2 072.png
CORE EX1 144.png
CORE AT 029.png
CORE CS2 074.png
CORE KAR 069.png
CORE CS2 073.png
CORE ICC 809.png
CORE CS2 076.png
CORE DAL 416.png
CORE LOE 012.png
CORE CS2 075.png
CORE EX1 134.png
CORE CS2 080.png
CORE CS2 077.png
CORE EX1 145.png
CS3 005.png
CORE GIL 598.png


CORE EX1 238.png
CS3 007.png
CORE EX1 565.png
CORE BOT 533.png
CORE CS2 045.png
CORE UNG 817.png
CORE EX1 246.png
CORE CS2 046.png
CORE CS2 042.png
CORE KAR 073.png
CORE EX1 248.png
CORE EX1 259.png
CORE EX1 575.png
CORE CS2 053.png
CORE EX1 567.png
CORE TRL 345.png
CORE NEW1 010.png

Related cards

EX1 tk11.png


CORE EX1 319.png
CORE EX1 302.png
CORE CS2 065.png
CORE ICC 055.png
CORE GIL 191.png
CORE BRM 006.png
CORE CS2 062.png
CORE UNG 833.png
CORE CFM 751.png
CORE OG 109.png
CORE AT 021.png
CORE EX1 304.png
CORE EX1 309.png
CS3 003.png
CORE EX1 312.png
CORE TRL 252.png
CORE EX1 323.png

Related cards

EX1 323h.png
BRM 006t.png
CORE GIL 191t.png
EX1 tk33.png
EX1 323w.png
EX1 tk34.png


CS3 008.png
CORE CS2 108.png
CORE EX1 400.png
CORE EX1 603.png
CORE EX1 391.png
CORE AT 064.png
CORE CS2 106.png
CORE EX1 606.png
CORE OG 218.png
CORE EX1 402.png
CORE EX1 604.png
CORE GVG 053.png
CORE EX1 410.png
CORE EX1 407.png
CORE EX1 411.png
CORE GIL 547.png
CORE EX1 414.png


At the time of the Core set's introduction, the Classic set comprised 240 cards while the Basic set had another 143, for a total of 383 evergreen cards. With 148 less cards each year, the dev team can focus on making each set of evergreen cards more consistently impactful and relevant to the current meta.[3]


  • Year of the Gryphon Core set
    • On February 9, 2021, Core set was first announced, giving the players a brief description of how the Core set and the rotation works.[4]
    • On February 19, 2021, along with announcement of Forged in the Barrens and Year of the Gryphon, some of the core cards had been revealed.[5]
    • On February 25, 2021, the full details of Year of the Gryphon's Core set had been revealed on PlayHearthstone Library website.
    • Between February 25 and early March 2021, Stonetusk Boar and Bluegill Warrior were originally part of the first Core set, but both were changed from Charge to Rush in exchange for 1 more attack. Due to player feedback, the two minions were left unchanged for the Legacy set, while the new minions CoreEmerald Skytalon and CoreRedgill Razorjaw took their place with the intended changes.[6]
    • On March 30, 2021, Year of the Gryphon's Core set was released.
  • Year of the Hydra Core set
    • On April 5, 2022, the full details of Year of the Hydra's Core set had been revealed, with 57 cards leaving the Core set and 72 cards entering, increasing the total number of cards of Core set from 235 to 250.[7]
    • On April 12, 2022, Year of the Hydra's Core set was released.


  1. Blizzard Entertainment (2021-02-09). Introducing the Core Set and Classic Format
  2. Celestalon on Twitter. (2021-02-09). 
  3. Celestalon on Twitter. (2021-02-09). 
  4. Introducing the Core Set and Classic Format. (2021-02-09). Retrieved on 2022-04-16.
  5. Welcome to the Year of the Gryphon. (2021-02-19). Retrieved on 2022-04-16.
  6. Patch
  7. Blizzard Entertainment (2022-04-05). Welcome to the Year of the Hydra. PlayHearthstone. Retrieved on 2022-04-16.