Firespout is a mythic Sorcery card from From the Vault: Annihilation (V14), collector number 6. Current market price: — (foil $1.80), TCGplayer market prices via Scryfall.
Firespout deals 3 damage to each creature without flying if {R} was spent to cast this spell and 3 damage to each creature with flying if {G} was spent to cast this spell. (Do both if {R}{G} was spent.)