Monastery Mentor - Promo Pack (Foil) (PMOM) from March of the Machine, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Foil
• Artist: Brian Valeza
• Card Text:
  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.