Deathbred Barghest

Bestow {1}{b}{b} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Whenever a nonenchantment creature dies, put
a +1/+1 counter on Deathbred Barghest.
Enchanted creature gets +1/+1 for each +1/+1 counter on Deathbred Barghest.