Molten Exhale is a common Sorcery card from Tarkir: Dragonstorm (TDM), collector number 113. Current market price: $0.21 (foil $0.29), TCGplayer market prices via Scryfall.
You may cast this spell as though it had flash if you behold a Dragon as an additional cost to cast it. (To behold a Dragon, choose a Dragon you control or reveal a Dragon card from your hand.) Molten Exhale deals 4 damage to target creature or planeswalker.