Molten-Core Maestro (Extended Art) [SOS - 335]

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 R equal to this creature's power.

Rarity: Rare

#: 335

Card Type: Creature, Creature — Goblin Bard

Card Color: R

Casting Cost: {1}{R}