Squirrel Squatters is a uncommon Creature — Squirrel card from Unfinity (UNF), collector number 156. Current market price: $0.23 (foil $0.47), TCGplayer market prices via Scryfall.
When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) Whenever this creature attacks, create a 1/1 green Squirrel creature token that's tapped and attacking for each Attraction you've visited this turn.