URF Mode Concept

So obviously URF is the best gamemode to ever have been developed for League of Legends and I think it would be great if there was a branch of URF Mode where everyone would have to play the same champion (or at least both team comps would have to be identical). URF is in no way a balanced gamemode but if everyone has an equal playing field the amount of toxicity and blaming on unfair advantages would decrease. Either way the gamemode is awesome.