Darthox, Skeleton King

Whenever a Skeleton card leaves your graveyard
you may have Darthox, Skeleton King deal
damage equal to his power to any target.
Other Skeletons you control get +1/+1
Sacrifice a Skeleton: Darthox, Skeleton King gets
+X/+0 until end of turn where X is equal to the
sacrificed Skeleton's power.
"Your life is mine to abuse"