Prismwake Merrow | Magic: The Gathering
Formats Prismwake Merrow is Legal in
Official Oracle Text for Prismwake Merrow
When Prismwake Merrow enters the battlefield, target permanent becomes the color or colors of your choice until end of turn.
Official Rulings for Prismwake Merrow
5/1/2008 : Changing a permanent's color won't change its text. If you turn Wilt-Leaf Liege blue, it will still affect green creatures and white creatures.
5/1/2008 : Colorless is not a color.
5/1/2008 : You can choose any single color or any combination of more than one color. You can't choose colorless.
5/1/2008 : This ability won't make an artifact stop being an artifact. It'll just be a colorful artifact.