Skin theme for every champion to date (bard)

Although I could not create the skins, I would live to see skins based on something like a battle between all of the champions in League of Legends, I know there are existing skin themes like pentakill or bloodmoon but I would love to see skins for twl sides of a conflict, something like noxus vs ionia but including every champion. I know a lot of money could be made off this (through bundles etc) but I feel the community would love to see this. Thanks for reading