Graf Rats

At the beginning of combat on your turn, if you both own and control Graf Rats and a creature named Midnight Scavengers, exile them, then meld them into Chittering Host. ------------- Meld Partner: Midnight Scavengers When Melded, it becomes the following: Chittering Host Creature — Eldrazi Horror Haste Menace (This creature can't be blocked except by two or more creatures.) When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn. 5/6