Leviathan (4ED) from Fourth Edition, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Mark Tedin
• Card Text:
  Trample
  Comes into play tapped and does not untap during your untap phase.During your upkeep, you may sacrifice two islands to untap Leviathan. Leviathan cannot attack unless you sacrifice two islands during your attack.