Your search for "Monastery Mentor 347" revealed the following:
Monastery Mentor (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal 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...
Monastery Mentor - Extended Art (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Brian Valeza Card Text:ProwessWhenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess....
Monastery Mentor - Extended Art (Foil) (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Brian Valeza Card Text:ProwessWhenever you cast a noncreature spell, create a 1/1 white Monk creature token with...