Vote from one of five designs to become an official build.
And to help you decide - what does each shiny look like?
Mega Skarmory and several Dynamax Pokémon will also debut.
A tweak to the Showcase Tuesday event, a new Sunday feature and more will roll out in June.
In-person Go Fest attendees are the first to Mega Evolve Mewtwo and earn Mega Energy. But how does it work, and when is it coming to all players?
"Creating a sequel that divides the community doesn't make as much sense."
A new regulation, Pokémon and platform to play on await.
