Field Trip is a common Sorcery card from Strixhaven: School of Mages (STX), collector number 131. Current market price: $0.15 (foil $0.26), TCGplayer market prices via Scryfall.
Search your library for a basic Forest card, put that card onto the battlefield tapped, then shuffle. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)