Proud Mentor is a uncommon Creature — Human Warrior card from Battlebond Promos (PBBD), collector number 20s. Current market price: — (foil $0.25), TCGplayer market prices via Scryfall.
Partner with Impetuous Protege (When this creature enters, target player may put Impetuous Protege into their hand from their library, then shuffle.) {W}, {T}: Tap target creature.