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As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.
Abilities, attacks, weakness & resistance
Other cards from The Brothers' War Retro Artifacts
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Cloud Key (BRR-75) is an artifact from The Brothers' War Retro Artifacts set. As it enters the battlefield you choose a card type — artifact, creature, enchantment, instant, or sorcery — and spells you cast of that chosen type cost {1} less to cast. This effect is a continuous cost reduction that applies only to generic mana in the chosen spells' costs and affects how much you pay when casting them.
Catalog pricing data as of 27 Apr 2026, 12:55
