Chatter of the Squirrel is a common Sorcery card from Odyssey (ODY), collector number 233. Current market price: $0.49 (foil $15.28), TCGplayer market prices via Scryfall.
Create a 1/1 green Squirrel creature token. Flashback {1}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)