new champion

I was thinking about a new champions and was wondering what the fans of lol would think before i even attempted to send it in to riot, a champ that would champ into three different champs. ill give more detail she would be a rainbow colorish, but her let would allow her to change into one of three champs she had selected before the game. once she changed into that champ she would stay in that form for about 5 min then change back to herself or until she died, 200 sec cooldown on the ult so she could change while already being in a different form. of course she would have her own abilities as well as the ones from the champs she selected. any way that was an idea that i had and was gonna draw up some skin art but i don't wanna start if no one would want riot to do something like that.