Leviathan [The Dark] Aura Curse That knowledge will haunt me

That knowledge will haunt me for all eternity

Set: Visions Type: Creature — Efreet Rarity: Rare Cost: {3}{U} Flying

He's mastered the art of sleight of land

Set: Khans of Tarkir Type: Creature — Elemental Rarity: Rare Cost: {4}{U}{U} Flying

Set: Avacyn Restored Type: Creature — Vampire Rarity: Uncommon Cost: {1}{B} Whenever Blood Artist or another creature dies

Leviathan [The Dark] Aura Curse That knowledge will haunt meSet: The Dark Type: Creature Leviathan Rarity: Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)