Grease, Gods' Abomination

Greaselings you control have Homicidal 1.
+1: Forage 1. Create a 1/1 greaseling murderer.
-2: Target creature you control fights target creature an opponent controls. If that creature dies this turn abomination.
-8: Exile all creature cards from all graveyards, then create x x/x greaseling murderers where x is number of cards exiled this way.