
Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 black Rat creature token.
Lab Rats has 2 printings, first in Stronghold (1998). EDHREC ranks it #12,836 among Commander cards. It appears most in Witherbloom, the Balancer decks (4,846 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.