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Black spells you cast cost {1} less to cast.
Abilities, attacks, weakness & resistance
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Jet Medallion (CMM 395, foil) is an artifact from Commander Masters that reduces the generic mana cost of black spells you cast by {1}. The ability only reduces generic mana, not colored mana or a spell's mana value, and can apply to alternative costs such as flashback. Debuted in the Commander Masters set as an artifact designed for multiplayer and Commander formats.
Catalog pricing data as of 5 May 2026, 11:51