Leviathan [The Dark] IDW Comics 2012 Set: March of the Machine

Set: March of the Machine Promos Type: Legendary Artifact Rarity: Rare Cost: {1}{G} If one or more +1/+1 counters would be put on an artifact or creature you control

Set: Khans of Tarkir Type: Creature — Human Assassin Rarity: Uncommon Cost: {B} Deathtouch

Set: The Brothers' War Type: Creature — Centaur Soldier Rarity: Uncommon Cost: {4}{G} Whenever Gaea's Courser attacks

you may mill three cards instead

Inferno Project enters the battlefield with X +1/+1 counters on it

Leviathan [The Dark] IDW Comics 2012 Set: March of the MachineSet: 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.)