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Spend only mana produced by creatures to cast this spell.
Abilities, attacks, weakness & resistance
Other cards from Magic Online Promos
Myr Superion (PRM 40078 foil) is an Artifact Creature — Myr from the Magic Online Promos set. Its casting restriction requires you to spend only mana produced by creatures to cast it. With 5 power and 6 toughness, it serves as a large creature body that encourages creature-based mana strategies and synergies.
Catalog pricing data as of 3 May 2026, 11:31
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