Flesh Mauler

{u}{u}: return flesh mauler to its owners hand
{5}: counter target non creature spell then put a -1/-1 counter on Flesh Mauler. When activating this ability you may exile any number of cards from your graveyard. For each card exiled this way this ability costs {1} less
before you can even turn around your guards are gone, and when you finally see it its too late