Rending Flame is a uncommon Instant card from Innistrad: Double Feature (DBL), collector number 442. Current market price: $0.17 (foil $0.75), TCGplayer market prices via Scryfall.
Rending Flame deals 5 damage to target creature or planeswalker. If that permanent is a Spirit, Rending Flame also deals 2 damage to that permanent's controller.