Jeskai Devotee is a common Creature — Orc Monk card from Tarkir: Dragonstorm (TDM), collector number 110. Current market price: $0.12 (foil $0.12), TCGplayer market prices via Scryfall.
Flurry — Whenever you cast your second spell each turn, this creature gets +1/+1 until end of turn. {1}: Add {U}, {R}, or {W}. Activate only once each turn.