Nighthowler
From Zendikar Rising Commander set
Nighthowler
Enchantment Creature — Horror
0/0
Bestow (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.)
This creature and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.