Improvements + Cards To Drop What this deck lacks is ways to do cheap damage for combos, lore gain, and late-game comeback cards
Bruna, Light of Alabaster Bruna, Light of Alabaster brings aura synergies to the table, with the holy grail probably being Eldrazi Conscription, the Colossus Hammer of auras
Polukranos, World Eater has a second ability thats a bizarrely worded fight-like ability tied to its monstrosity
Unlike Preordain, you can cast it at the end step while holding up a counterspell, and its another card you can cast from the graveyard when you have Mystic on board and are flooded with lands
Cards on the Reserved List include things like Bazaar of Baghdad and until 2002, included Commander staple Sol RIng
Single card, multi-pack, or MEGA poster doesn't matter