Patient Instructor is a common Creature — Human Citizen card from The Hobbit (HOB), collector number 162. Current market price: $0.11 (foil $0.23), TCGplayer market prices via Scryfall.
Vigilance When this creature enters, recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)