Grave Annihilator

Grave Annihilator costs {1} less to cast for each Zombie card in your graveyard.

Grave Annihilator enters the battlefield with a +1/+1 counter on it for each Zombie card in your graveyard.

When Grave Annihilator dies, create a 1/1 black Zombie creature token for each +1/+1 counter on Grave Annihilator.