Ulamog, the Infinite Gyre is a mythic Legendary Creature — Eldrazi card from Ultimate Box Topper (PUMA), collector number U4. Current market price: — (foil $54.66), TCGplayer market prices via Scryfall.
When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.