Leviathan [The Dark] Tribal Enchantment (Then put Timetwister into its

(Then put Timetwister into its owner's graveyard

Set: Portal Three Kingdoms Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{U}{U} {T}: Draw a card

and you decide whether to flip again

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 (Then put Timetwister into itsSet: 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.)