Piercing Exhale is a common Instant card from Tarkir: Dragonstorm (TDM), collector number 151. Current market price: $0.25 (foil $0.28), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, you may behold a Dragon. (You may choose a Dragon you control or reveal a Dragon card from your hand.) Target creature you control deals damage equal to its power to target creature or planeswalker. If a Dragon was beheld, surveil 2.