As a reminder, these cards are Standard legal, but aren't considered to be part of Kaladesh proper, and are over-costed and underpowered versions of the two Planeswalkers that are appearing in Kaladesh proper
Ultima, Origin of Oblivion lets you use Forsaken Monument as your Commander, which is kinda cool
A handful of the Amethyst cards still get played in the game's top decks, but there's not much else to work with once you're ready to build a custom deck of your own
Narset is a character pretty much everyone expected for our return to Tarkir, as one of the most popular new additions during the original block
It's a great excuse to go back and rewatch episodes of Avatar: The Last Airbender
When an artifact creature is very good, sometimes it shapes entire formats