Text (SM+errata): 2/1. ; Flash. ; When ~this~ enters the battlefield, target permanent becomes the color or colors of your choice until end of turn. [Oracle 2009/07/08]
You must choose at least one color but can choose up to all five colors. You can't choose colorless. [Shadowmoor FAQ 2008/04/21]
Adding color to an artifact does not make it stop being an artifact. [Shadowmoor FAQ 2008/04/21]
