Molten-Core Maestro
Secrets of Strixhaven (SOS)
Creature — Goblin Bard
Menace Opus — Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. If five or more mana was spent to cast that spell, add an amount ofPlays as
Spell Payoff
Format legality
Constructed
StandardLegal
PioneerLegal
ModernLegal
LegacyLegal
VintageLegal
PauperNot legal
Commander
CommanderLegal
Pauper CommanderNot legal
Duel CommanderLegal
PreDHNot legal
OathbreakerLegal
Tiny LeadersLegal
Arena
AlchemyLegal
HistoricLegal
TimelessLegal
BrawlLegal
Standard BrawlLegal
Competitive BrawlLegal
GladiatorLegal
Other
PremodernNot legal
Old SchoolNot legal
Penny DreadfulNot legal
Future StandardLegal
Used in 18 known combosEDHREC #8,357
Versions
3 printings · from $0.56
Rulings
2 · latest Mar 20, 2026
- WotCMar 20, 2026
An opus ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.
- WotCMar 20, 2026
Molten-Core Maestro's last ability is not a mana ability. It uses the stack and can be responded to.


