Mystery Booster/The List: Hungry Lynx (Commander 2017)

Edition:    Mystery Booster/The List

Condition: Mint

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.)

At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.

Whenever a Rat dies, put a +1/+1 counter on each Cat you control.