Baleful Mastery is a rare Instant card from Magic: The Gathering (Strixhaven: School of Mages Promos, PSTX).
Rare
Strixhaven: School of Mages Promos (PSTX)
{3}{B}
Mana Value
4
Colors
B
Card Text
You may pay {1}{B} rather than pay this spell's mana cost.
If the {1}{B} cost was paid, an opponent draws a card.
Exile target creature or planeswalker.
