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Molten-Core Maestro
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 of equal to this creature's power.
Power/Toughness:2/2
rare · #mmnev2ba9 · sos
Previewed: March 25 · Spoiled by Reddit Leak