Originally Posted by Darth Stabber
Casting stat should probably be dependant on color involved. White and green should cast on wis, red is cha, blue is int, and black could go cha or int. It fits flavorfully, and could add an interesting angle to the class.
Only if a given character always has a single casting stat determined by his initial color allegiance. A single character with multiple casting stats is a terrible idea and a huge nerf.