Adventurous Impulse is a uncommon Sorcery card from Strixhaven Mystical Archive (STA), collector number 49. Current market price: $0.18 (foil $0.31), TCGplayer market prices via Scryfall.
Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.