Jeskai Sage is a common Creature — Human Monk card from Fate Reforged (FRF), collector number 38. Current market price: $0.07 (foil $0.25), TCGplayer market prices via Scryfall.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature dies, draw a card.