Which Showdown! format is this?

Question

In this video, there is both Dynamax and Z-Moves being used, so I got confused on which format it is. Helps plz.

Comments

You can also get Z-Moves (CFZ's too) and Dynamax in Custom Game.

Answer 1

It's National Dex Anything Goes

Comments

woah. quickest answer in any of my questions.