Gnarled Professor is a rare Creature — Treefolk Druid card from Strixhaven: School of Mages Promos (PSTX), collector number 133p. Current market price: $0.25 (foil $0.08), TCGplayer market prices via Scryfall.
Trample When this creature enters, 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.)