Nahz, Brainless Tactician

: Whenever you Amass, you may put that many +1/+1 counters on each Army you control instead Nahz, Brainless Tactician can be your commander
+1: Create a 0/0 Zombie Army, then put a +1/+1 counter on it
-2: Amass 2, then each Army you control gets Indestructible until end of turn