Siege Dragon (Foil) (M15) from Magic 2015, available at 401 Games Canada.

• Rarity: Rare
• Finish: Foil
• Artist: Karl Kopinski
• Card Text:
  Flying
  When Siege Dragon enters the battlefield, destroy all Walls your opponents control.
  Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.