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If you would lose unspent mana, that mana becomes colorless instead.
Abilities, attacks, weakness & resistance
Other cards from Commander Legends
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Horizon Stone (CMR-315) is a rare artifact from the Commander Legends set. It changes the game loss rule for unspent mana by converting mana you would lose into colorless mana instead. This lets you bank mana across steps, phases, and turns while keeping any original restrictions attached to that mana.
Catalog pricing data as of 18 Apr 2026, 22:28
