Your search for "Baleful Mastery 126" revealed the following:
Baleful Mastery (OTC) from Outlaws of Thunder Junction Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid, an opponent...
Baleful Mastery (Foil) (STX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid, an opponent...
Baleful Mastery - STX Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid, an opponent...
Baleful Mastery - Extended Art (Foil) (STX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was...
Baleful Mastery - Extended Art (STX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid,...
Baleful Mastery (STX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid, an opponent draws...
Baleful Mastery - Promo Pack (PSTX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was paid,...
Baleful Mastery - Prerelease Promo (Foil) (PSTX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was...
Baleful Mastery - Promo Pack (Foil) (PSTX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Chris Cold Card Text:You may pay 1B rather than pay this spell's mana cost.If the 1B cost was...