Elianar, Necromancer Prince

{3}{b}{b}: {t}, Return target creature card from a graveyard under your control as a black zombie
in addition to its other types
At the beginning of your upkeep, if you control 5
or more creatures you do not own, sacrifice
Elianar. When Elianar leaves the battlefield,
return all creatures to their owner's control.
Escape—{5}{u}, Exile 5 cards from your graveyard.
This card escapes transformed