Revive the Fallen is a uncommon Sorcery card from Morningtide (MOR), collector number 76. Current market price: $0.34 (foil $12.68), TCGplayer market prices via Scryfall.
Return target creature card from a graveyard to its owner's hand. Clash with an opponent. If you win, return Revive the Fallen 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.)