Krekt, Titan of Death's Chains

When Krekt enters the battlefield, sacrifice it
unless it escaped.
Whenever Krekt enters the battlefield or attacks,
create a 2/2 black Zombie creature token. Then
you gain 1 life for each zombie you control.
Escape—{b}{b}{b}{b}, Exile five other cards from
your graveyard. (You can cast this card from your graveyard for its escape cost.)