When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon.
Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.
Infinite card drawNear-infinite +1/+1 countersNear-infinite lifegainNear-infinite lifelossNear-infinite lifegain triggersNear-infinite creature ETBInfinite draw triggersNear-infinite storm countNear-infinite creature LTBNear-infinite colored manaNear-infinite creature tokensNear-infinite Treasure tokensNear-infinite ventures into the dungeonInfinite ventures into the dungeonCast a subset of spells in your library