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No more than one creature can attack each combat. No more than one creature can block each combat.
Abilities, attacks, weakness & resistance
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Silent Arbiter (CMM-972) is an Artifact Creature — Construct from Commander Masters. It imposes a global continuous rule that no more than one creature can attack each combat and no more than one creature can block each combat. In multiplayer or group games it drastically slows combat tempo and can shape political and stall strategies by limiting mass attack or blocker tactics.
Catalog pricing data as of 22 Apr 2026, 19:02