Dragonlord Atarka (DTK) from Dragons of Tarkir, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Karl Kopinski
• Card Text:
  Flying, trample
  When Dragonlord Atarka enters he battlefield, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control.