The Gloom

When The Gloom enters the battlefield, exile all non-Terminid creatures.
Terminids have ward {3}
At the beginning of your upkeep, put 2 +1/+1 counters on each Terminid you control.
Whenever you attack with 1 or more Terminids, create that many tapped and attacking 2/2 terminid creature tokens.
non-Terminid creatures have -3/-3