There's not much to say other than that she does a good job as a commander supporting an under-supported mechanic
Your aim is to keep your opponent off the battlefield by using board wipes like Depopulate and Sunfall, and then end the game with Archangel of Wrather and Atraxa, Grand Unifier
One of the best, if not only places, that you can play a Fireball in cube is in a Gr ramp deck
I believe that, past that point, it's largely a subjective opinion
Illustrated by Yigit Koroglu Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
(Keep in mind that there are legendary noncreature spells out there, too.) Personally, I cant wait to try building this deck especially since I dont have any Commander decks right now that even dip white, so all of my best white cards are just sitting there