Things are revolting in Kaladesh….(ok…that was bad) Tezzeret has come to town and turned things into a different kind of party. The second set of the Kaladesh block takes the playful world of Kaladesh and revolutionizes it. (Ah man…the Dad puns are just forcing their way out today..) Here is a bunch good links to give you the scoop on the new set…
http://magic.wizards.com/en/products/aether-revolt-story
http://magic.wizards.com/en/articles/archive/feature/aether-revolt-mechanics-2017-01-02