Damsel of the Bones

Damsel of the Bones enters the battlefield with
X +1/+1 counters.
Whenever a nontoken creature you control goes
to a graveyard from anywhere, put a +1/+1
counter on this creature.
Remove a +1/+1 counter, exile a creature card
from your graveyard: Create a token that is a
copy of exiled creature card, its a Zombie in
addition to its other types.