Ulamog, o Vórtice Infinito / Ulamog, the Infinite Gyre

Ulamog, the Infinite Gyre {11}
Legendary Creature — Eldrazi
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.
10/10
Illustrated by Aleksi Briclot