Simic Keyrune - Gatecrash - 237

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.)

Uncommon · Gatecrash · #237 (GTC)

Illustrated by Daniel Ljunggren