Eater of Hexes

Flying
When Eater of Hexes enters the battlefield or attacks, you may exile target instant or sorcery
card from a graveyard. If you do so, put a +1/+1 counter on Eater of Hexes.
Remove X +1/+1 counters from Eater of Hexes:
Cast a spell exiled by Eater of Hexes with
converted mana cost X.