Rainbow Plains

Rainbow Plains Comes into Play Tapped.
{w}{t}: Add {b},{r},{g} or {u} to your Mana Pool.
{t}: Add {w} to your Mana Pool.
-"Can we go where the Colours Are?" - Alexa
-"We won't Find the Start. It's not Real, We
See it, but it Doesn't Really Exist. Like
Countries and Borders..." - Amun-Ra-Gaia