Leviathan [The Dark] Duels of the Planeswalkers Promos 2012 Set: Premium Deck Series: Slivers

Set: Premium Deck Series: Slivers Type: Legendary Creature — Sliver Mutant Rarity: Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card

Those creatures gain vigilance until end of turn

Activated abilities of creatures your opponents control can't be activated

then return it to the battlefield under its owner's control

its commander wounded

Leviathan [The Dark] Duels of the Planeswalkers Promos 2012 Set: Premium Deck Series: SliversSet: 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.)