Your search for "Biomantic Mastery 239" revealed the following:
Biomantic Mastery (C15) from Commander 2015, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Dan Murayama Scott Card Text:Draw a card for each creature target player controls, then draw a card for each creature another target player controls....
Biomantic Mastery (Foil) (DIS) from Dissension, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Dan Murayama Scott Card Text:((G/U) can be paid with either G or U.)Draw a card for each creature target player controls, then draw a...
Biomantic Mastery (DIS) from Dissension, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Dan Murayama Scott Card Text:((G/U) can be paid with either G or U.)Draw a card for each creature target player controls, then draw a card...