User blog comment:DemonicBeast/Official Announcement for Pokemon Rap Battles/@comment-5101200-20150627022030/@comment-5101200-20150627023819

Imo the only battle of different possible revolutions sounds be an Eeveelution royale. Hitmonlee 3 vs Ma 3 is groups of 3 fighting Pokémon from two different evolutionary chains whose names start the same in each group.