Prairie Dog is a uncommon Creature — Squirrel card from Outlaws of Thunder Junction (OTJ), collector number 24. Current market price: $0.23 (foil $0.28), TCGplayer market prices via Scryfall.
Lifelink At the beginning of your end step, if you haven't cast a spell from your hand this turn, put a +1/+1 counter on this creature. {4}{W}: Until end of turn, if you would put one or more +1/+1 counters on a creature you control, put that many plus one +1/+1 counters on it instead.