Wraith King

Undying
Whenever a creature an enemy controls dies
exile it.
Vampiric Spirit — {4}{b/r}{b/g}: Create a 1/1 black
skeleton creature token for each card exiled with
Wraith King. Put all cards exiled with
Wraith King into their owners graveyard.
Mortal Strike — At the beginning of
each combat roll a d8. On an even number
double Wraith King's power until the
end of the turn.