Leviathan [The Dark] Tribal Enchantment Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {1}{G} Tap any number of untapped creatures you control

and you decide whether to flip again

that player reveals the chosen card

they are best left alone

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {2} Each spell costs {3} more to cast except during its controller's turn

Leviathan [The Dark] Tribal Enchantment Set: Portal Three Kingdoms Type: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.)