Devastating Mastery is a rare Sorcery card from Strixhaven: School of Mages (STX), collector number 14. Current market price: $0.28 (foil $0.28), TCGplayer market prices via Scryfall.
You may pay {2}{W}{W} rather than pay this spell's mana cost. If the {2}{W}{W} cost was paid, an opponent chooses up to two nonland permanents they control and returns them to their owner's hand. Destroy all nonland permanents.