Dungeon Geists (C13) from Commander 2013, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Nils Hamm
• Card Text:
  Flying
  When Dungeon Geists enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Dungeon Geists.