HeiHei Persistent Presence is a really helpful card that be used over and over
It only cares about enchantments entering the battlefield, which is a huge advantage
While Urzas Ruinous Blast is a staple of these kinds of decks, you could go as hard as playing Lavinia or OG Praetor Jin-Gitaxias, Core Augur if youre aiming your deck to play at hardcore tables
A Bria EDH deck around tokens is a simpler and more fun shell than something like Brudiclad, Telchor Engineer, which is a deck that always stresses me out to play because its so reliant on the one big token and your commander surviving
As you can see from the title of the edition of these cards, they do not have shadows
But two things: Lets talk more openly about mental health challenges (be they depression, anxiety, suicidal thoughts, or other) in the gaming community and support one another