Memory Theft is a common Sorcery card from Throne of Eldraine (ELD), collector number 96. Current market price: $0.06 (foil $0.19), TCGplayer market prices via Scryfall.
Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. You may put a card that has an Adventure that player owns from exile into that player's graveyard.