Queek Headtaker

+2: Queek Headtaker becomes a 5/8 Skaven Creature with doublestrike who must attack until end of turn
-4: Tap Queek Headtaker, create 4 1/1 Skaven slave tokens, 2 2/2 Clanrat tokens, or 1 4/4 Stormvermine token
-10: Tap 5 creatures, Queek Headtaker becomes a 10/10 Skaven creature with Doublestrike and Trample until end of turn