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Mad Scientist is a common neutral minion card, from the Curse of Naxxramas set.

How to get

TypeSourceQualityCount
CraftingCraft a Regular copy for 40 DustRegular1
CraftingCraft a Golden copy for 400 DustGolden1
AdventureDefeat NaxxramasGrobbulus in Curse of Naxxramas 4th wing - The Construct QuarterRegular2

Notes

To edit these notes, go to Template:Mad Scientist notes.

Mad Scientist's Deathrattle will place a random Secret from your unused deck into play, removing the card from your deck.[1] However, it will not choose a Secret that you currently already have active, as it is not possible to have multiples of the same Secret activate at any time.[2]

  • If there are no Secrets remaining in your deck, or all remaining Secrets are copies of those already active, the Mad Scientist will not place any new Secret into play.[3]
  • The drawn Secret is not directly revealed to the controlling player, but can be checked by mousing over the Secret icon on the hero's portrait. The Secret is not revealed to the opponent.
  • A secret like LegacyMirror Entity put into play by Mad Scientist's Deathrattle after it has been killed by a minion's Battlecry (or Combo / Choose One effect) WILL trigger in the subsequent After Play Phase and affect the played minion. For example, if a rogue uses an LegacySI:7 Agent to kill a Mad Scientist, whose Deathrattle puts LegacyMirror Entity into play, then the Mirror Entity will copy the SI:7 Agent. This is due to the specific order that Battlecries, deaths/on-death triggers and After Play Phase triggers resolve. for more information see the Advanced rulebook. It seems that for now (as of Patch 5.0.0.12574 (WotOG patch)), the behaviour is intended.[4]
  • If a Mad Scientist's Deathrattle puts into play a secret which triggers from death (e.g., NaxxramasDuplicate, LegacyRedemption or NaxxramasAvenge), the secret will not trigger on the Scientist's Death Event.[5][6] This is because when we start resolving a Death Event (like the Mad Scientist's Death Event), we queue all related on-death triggers then resolve them. An on-death trigger that becomes eligible after this queue is populated is too late to join it.
  • If a Mad Scientist dies at the same moment as another minion, which entered play after the Scientist, and the Scientist puts into play a secret which triggers from minion death (e.g., NaxxramasDuplicate or LegacyRedemption) the secret will not trigger from the Scientist's death, but will trigger from the next minion's death.[7] This is because Death Events are resolved in play order, and each one queues all on-death triggers that are eligible when it begins to resolve. (This means that Mad Scientist pulling an on-death Secret can't have it trigger on a minion played before the Scientist or on itself.)
  • When a Secret triggers, it immediately leaves play, meaning that a Mad Scientist Deathrattle can immediately put another copy of that Secret into play. This can allow you to resolve two Avenges in the same Death Phase, for example.


Known bugs

As of January 2015, a known bug[8] allows Mad Scientist's Deathrattle to cause the player to exceed the 5 secret limit.[9][10] Mad Scientist still will not act upon duplicates of currently active secrets, but will put additional different secrets into play if available in the player's deck, essentially ignoring the 5 secret limit. This has been shown to allow at least 11 different secrets to be active on a hero at the same time. Secrets beyond the 5 limit will activate and take effect normally, and in the correct order.[11]

Sounds

Play
  • ▶️ VO_FP1_004_EnterPlay_01.wav I'll show them! I'll show them all!
Attack
Death

Lore

Mad Scientists are mad scientists found in Naxxramas.

Wowpedia iconThis section uses content from Wowpedia.
While "mad scientists", often referred as doctors, can come in any race and certainly are not exclusive to the Forsaken and Scourge, the undead do have their own specific kind of mad scientist, typically male Forsaken alchemists who utilizes their on own strain of chemicals from tanks strapped to their backs. While some work with Sylvanas to create an even deadlier plague, several are in the employ of the Lich King or the Shadow Council.

Trivia

Gallery

Patch changes

  • MoLK LogoPatch 25.0.0.158725 (2022-11-29):
    • Minion type is now Undead (previously: no minion type).
  • The League of Explorers logo Patch 4.2.0.12051 (2016-03-14):
    • Golden card unlock requirement is now: "Crafting unlocked in The Construct Quarter, in the Naxxramas adventure." (previously: "Can be crafted after defeating Grobbulus in the Construct Quarter.").
  • The League of Explorers logo Patch 4.1.0.10956 (2015-12-04):
    • Unlock requirement is now: "Unlocked in The Construct Quarter, in the Naxxramas adventure." (previously: "Unlocked by defeating Grobbulus in the Construct Quarter.").
  • Curse of Naxxramas logo Patch 1.1.0.6024 (2014-07-22):
    • Added.

References

 
  1. Ben Brode on Twitter. (2014-07-21). 
  2. Ben Brode on Twitter. (2014-07-21). 
  3. Ben Brode on Twitter. (2014-07-21). 
  4. http://us.battle.net/hearthstone/en/forum/topic/13840764128?page=1#15
  5. Tested by User:Taohinton, 2015-02-16. Mad Scientist's Deathrattle put NaxxramasDuplicate into play; did not activate from his death. Exactly the same with LegacyRedemption and NaxxramasAvenge.
  6. Ben Brode on Twitter. (2014-07-21). 
  7. Tested by User:Taohinton 2015-02-07. Tried both NaxxramasDuplicate and LegacyRedemption; in both cases Mad Scientist will cause the next simultaneous death to trigger the secret, but will not trigger it himself. Simultaneous deaths of earlier minions were found not to activate the secret, presumably because they are resolved before the Scientist's death.
  8. Ben Brode on Twitter. (2015-02-01). 
  9. https://www.youtube.com/watch?v=YRIw0nT0vtM
  10. [1] Tested by User:Taohinton and User:Xinhuan 2015-02-01
  11. [2] Tested by User:Taohinton and User:Xinhuan 2015-02-01
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