Practiced Offense is a rare Sorcery card from Secrets of Strixhaven (SOS), collector number 25. Current market price: $1.62 (foil $1.66), TCGplayer market prices via Scryfall.
Put a +1/+1 counter on each creature target player controls. Target creature gains your choice of double strike or lifelink until end of turn. Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)