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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, Rare) is an artifact reprinted in Commander Masters that provides a static mana-cost-reduction effect for red spells. Its ability reduces only the generic portion of the mana cost of red spells you cast, and it does not change a spell's mana value or colored mana requirements. In deck terms, it serves as a cheap global cost reducer that accelerates casting red spells and combos that rely on paying lower generic costs.
Catalog pricing data as of 27 May 2026, 01:11