Simic Keyrune

Set: Commander 2015 (#265)

Rarity: Uncommon

Type: Artifact

Mana Cost: {3}

{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.)