At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Kozilek is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

({T}: Add {G}.)