Description, catalog fields, rules text, and how it plays—in one place.
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Red spells you cast cost {1} less to cast.
Abilities, attacks, weakness & resistance
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Ruby Medallion (CMM-405) is an artifact from the Commander Masters set that reduces the generic mana cost of red spells you cast by {1}. Its static ability only lowers the generic portion of a spell’s cost and does not change colored mana requirements or mana value. It commonly serves as an economy piece in red decks to accelerate casting and enable larger or more numerous spells.
Catalog pricing data as of 18 Apr 2026, 16:43