Sorcerer Supreme

Loki

Nightmare

Anubis

Dr Strange

Lady Amora

Tiamat

Kernunno

Merlin

Desaad

Each planet has a Sorcerer Supreme, chosen by it's Gaia spirit.

The Divides

Anubis, Lord of Maat

Merlin of Avalon Lady Grace of Elysia

Nightmare of Dust

Eth

Earth: Dr Strange

Apokalips: Desaad

Shi

Asgard: Odin

Alfheim: Lady Amora

Niffleheim: Hela

Thalassa: Tiamat

Tengri: Kernunno

Hel

Apokalips: Desaad

Jotunheim: Loki