Karumonix, the Rat King (Step and Compleat Foil) Commander Legends Whenever this creature attacks while

Whenever this creature attacks while saddled

exile cards from the top of your library until you exile a nonland card that costs less

put a -1/-1 counter on up to one target creature

where X is the number of +1/+1 counters on it

Karumonix, the Rat King (Step and Compleat Foil) Commander Legends Whenever this creature attacks whileToxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.