Leviathan [The Dark] European Land Program Set: Legions Type: Creature —

Set: Legions Type: Creature — Sliver Rarity: Rare Cost: {3}{W} Whenever a Sliver deals damage

At the beginning of the upkeep of enchanted enchantment's controller

Set: Amonkhet Invocations Type: Legendary Creature — God Rarity: Mythic Cost: {3}{U}{B} At the beginning of your upkeep

Set: San Diego Comic-Con 2015 Type: Legendary Creature — Human Shaman Rarity: Mythic Cost: {1}{R}{R} Whenever you cast a red spell

put an age counter on this permanent

Leviathan [The Dark] European Land Program Set: Legions Type: Creature —Set: 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.)