Damn is a mythic Sorcery card from Duskmourn: House of Horror Commander (DSC), collector number 369. Current market price: — (foil $5.07), TCGplayer market prices via Scryfall.
Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")