Atu, Titan of Life's Sacrifice

When Atu enters the battlefield, sacrifice it unless it escaped.
Whenever Atu enters the battlefield or attacks, each opponent sacrifices a creature. For each opponent that didn't, create a 2/2 black Zombie creature token.
Escape - {b}{b}{b}{b}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)