Monastery Mentor is a mythic Creature — Human Monk card from Judge Gift Cards 2019 (J19), collector number 5. Current market price: — (foil $8.78), TCGplayer market prices via Scryfall.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.