{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.)
![Simic Keyrune [Gatecrash]](https://inekosingles.com/wp-content/uploads/ineko-product-images/84/8498d1f3e9d1f299469eec325573c910129b69866b47d19257b3f2b17dd5641c.webp)
![Simic Keyrune [Gatecrash]](https://inekosingles.com/wp-content/uploads/ineko-product-images/84/8498d1f3e9d1f299469eec325573c910129b69866b47d19257b3f2b17dd5641c.webp)
{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.)