Deathbringer Regent (E01) from Archenemy: Nicol Bolas, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Adam Paquette
• Card Text:
  Flying
  When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.