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Black spells you cast cost {1} less to cast.
Abilities, attacks, weakness & resistance
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Wastes
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Jet Medallion (CMM-610 etched foil) is an artifact from the Commander Masters expansion. It reduces the generic mana cost of black spells you cast by {1}. Its effect cannot reduce colored mana requirements and interacts with cost changes as described in the rulings.
Catalog pricing data as of 18 Apr 2026, 16:12