Leviathan [The Dark] Unglued Tokens Set: Legends Type: Creature —

Set: Legends Type: Creature — Fungus Demon Rarity: Rare Cost: {5}{B}{B} When Mold Demon enters the battlefield

you gain control of target opponent during that player's next turn

Primal Tide

"Aurora Leigh"

exile cards from the top of your library until you exile a nonland card that costs less

Leviathan [The Dark] Unglued Tokens Set: Legends 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.)