Join the Dance is a mythic Sorcery card from Avatar: The Last Airbender Eternal (TLE), collector number 50. Current market price: $0.41 (foil $1.42), TCGplayer market prices via Scryfall.
Create two 1/1 white Human creature tokens. Flashback {3}{G}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)