Gysahl Greens is a common Sorcery card from Final Fantasy (FIN), collector number 190. Current market price: $0.22 (foil $0.28), TCGplayer market prices via Scryfall.
Create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." Flashback {6}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)