Redeem the Lost is a uncommon Instant card from Morningtide (MOR), collector number 21. Current market price: $0.15 (foil $7.14), TCGplayer market prices via Scryfall.
Target creature you control gains protection from the color of your choice until end of turn. Clash with an opponent. If you win, return Redeem the Lost to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)