Ulamog, the Infinite Gyre [Ultimate Masters] Elf Ally The faultless and immaculate castes

The faultless and immaculate castes form the lower tiers of elvish society

You may cast it without paying its mana cost if it's a spell with lesser mana value

exile target creature an opponent controls until Trapjaw Tyrant leaves the battlefield

At the beginning of your opponents' end step

(Whenever the creature becomes blocked

Ulamog, the Infinite Gyre [Ultimate Masters] Elf Ally The faultless and immaculate castesSet: Ultimate Masters Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {11} When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.