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{T}: Add {G} or {U}. {G}{U}: This artifact becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Abilities, attacks, weakness & resistance
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Simic Keyrune (GTC 237) is an artifact from the Gatecrash expansion tied to the Simic guild. It can tap for green or blue mana and can pay GU to become a 2/3 green and blue Crab artifact creature with hexproof until end of turn. As a mana rock that can also serve as a small evasive blocker or attacker, it supports both mana fixing and board presence in aggressive or tempo strategies.
Catalog pricing data as of 19 Apr 2026, 01:25
