Feral Encounter is a rare Sorcery card from Wilds of Eldraine Promos (PWOE), collector number 169s. Current market price: — (foil $0.49), TCGplayer market prices via Scryfall.
Look at the top five cards of your library. You may exile a creature card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card this turn. At the beginning of the next combat phase this turn, target creature you control deals damage equal to its power to up to one target creature you don't control.