Damn is a rare Sorcery card from Modern Horizons 2 (MH2), collector number 396. Current market price: $3.36 (foil $3.43), 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.")