Can we figure out which megas are X and which ones are Y?

Hey_PIKMIN

We all know of Charizard and Mewtwo having two megas and x and a y

But what I think is truly very interesting is that the x megas seem to give new secoundary typings and the Y megas take the original idea and make it much better

So would that mean that Sceptile and Swampert are X and the other starters are Y?

Also if we were to get a hypothetical Z mega what would it be?

I would assume it to be either new first typing or 2 new types

UnovanZorua

1 new type and looks like a "final form" of the Pokémon. Not sure about the first part but I'm expecting Charizard and Mewtwo Z (if they are ever made) to look like a final boss, like Zygarde's 100% form.

clasingla

Zygarde 200% form cower at the thought

Tacolaser

Mega Ash Geninja Z. It would be awesome, but it will probably never happen though. :(