Duel Tactics is a uncommon Sorcery card from Secrets of Strixhaven (SOS), collector number 112. Current market price: $0.17 (foil $0.24), TCGplayer market prices via Scryfall.
Duel Tactics deals 1 damage to target creature. It can't block this turn. Flashback {1}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)