That suggests a Vee build to me, and that's the 19th most popular build over at EDHREc.com with 14,507 brews, or a mono-White artifact dork brew
Orzhov: This is commonly played in Pillar of the Paruns decks, but I dont think it looks good enough
Being a colourless planeswalker also means that he can fit in any shell: from Izzet Drakes to Sultai Midrange even to Nexus decks
Breya, Etherium Shaper If youre looking for an artifact based Commander, Breya, Etherium Shaper is a fine choice, and being four colours gives you access to almost endless options across blue, red, white, black and colourless cards
Selling cards individually is time-consuming, as you need to price, photograph, and list each one
My favorite thing about it is that, unlike those other two, Conductor of Cacophony doesnt damage itself, meaning that as long as we can keep adding counters to it, we can keep wiping the battlefield clean