Champion Sets Idea

This might just be me, but its a bit annoying in champ select when i want to decide what champ to play and want to just look at the champions for the specific role I'm playing. I know you can type in different champion roles, (ex. Assassin, Marksman) but as a mid, the champs i play are generally split up between Mage, Fighter and Assassin. What if, similar to item sets, you could make a champion set that when you type a key word into the search bar in champ select, it would bring up your custom list of champs that you assigned to it?