Leviathan [The Dark] Chronicles the Coalition Type: Creature —

the Coalition Type: Creature — Phyrexian Horror Rarity: Mythic Cost: {2}{B} Trample

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {1}{B}{B} {B}

I simply reveal

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {2} At the beginning of each player's upkeep

Leviathan [The Dark] Chronicles the Coalition 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.)