Xzixillis, First of the Graves

Flying, Deathtouch
Whenever Xzixillis, First of the Graves attacks,
you may pay {3}{b}{b}, if you do, return target
creature card from a graveyard to the battlefield
under your control tapped, that creature is a
black zombie in addition to it's other colors and
types.
It's roar shakes the living and wakes the dead.