I have a good Idea that could help some players out!

Ok so, I have had those times when your in champ select and you get stuck in a role you don't want to do and your trying to decide who you want to be, and then its down to the last 3 seconds and you just stress pick a random champ and your team gets mad at you, now I know this does not happen to vary meany people, but for some people that have alot/all the champs you have to scroll through and try to decide who to be. so to get to the point my idea is that Riot should at a new feature in your profile, sort of like how you can make an item set, you should be able to make champion sets, so lets say I'm mid but I have like 30 mid champs and I have to scroll through all my mid and non mid champs to find who I want to be, I want to be able to click a little + next to "mid champs" and it will expand and only show me my mid champs that I put there in my profile, and even if there are some op champs at the moment and I am banning, I want to be able to push the "ban champions" tab so I only see the champs I put there, the ones I think are ban worthy so I don't have to scroll through all the champs. Anyway I hope people like this idea and I hope riot sees it and creates this :)