No that's the Henshin from Lazer and Liches.It's a Kamen Rider.
Sounds like it's basically the Biotic from Mass Effect.
They did not mention the class.
He's not the only person working on this book. (I would not expect a full class either, but not because of who the lead author is).I would be surprised if there were new full 20 level classes in a book by Mercer. He's not really a crunch guy. He's more into tweaking stuff.