Board Thread:General Discussion/@comment-4451749-20140111172408/@comment-32390199-20140924221023

I don't see why that is too much. We pretty much have the others gens covered. Gen II doesn't really offer any Pkmn imo. Sceptile is a potential one of Gen III. Gen IV has Lucario (although I would like to see Rotom). Gen V could've had Zoroark (who is an AT) and Gen VI has Greninja (although I also would've liked to see Diancie).

So if there was going to be another Pokémon it choices would mainly be between Mewtwo and Sceptile. Seeing as Rotom and Diancie don't have a chance xD