Monastery Mentor (FRF) from Fate Reforged, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Magali Villeneuve
• Card Text:
  Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
  Whenever you cast a noncreature spell, put a 1/1 white Monk creature token with prowess onto the battlefield.