Vraska the Unseen (C19) from Commander 2019, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Aleksi Briclot
• Card Text:
  [+1]: Until your next turn, whenever a creature deals combat damage to Vraska the Unseen, destroy that creature.
  [-3]: Destroy target nonland permanent.
  [-7]: Put three 1/1 black Assassin tokens onto the battlefield with "Whenever this creature deals combat damage to a player, that player loses the game."