Necromantic Ritual

Whenever a creature you own enters the battlefield from the graveyard, put a Rite counter on Necromantic Ritual.
Remove a Rite counter from Necromantic Ritual, choose one: Put a +1/+1 counter on target creatrue that entered the battlefield from the graveyard; or put a -1/-1 counter on target creature that did not enter the battlefield from the graveyard.