The alternate commanders for this deck arent quite as on-theme, but Rayami and Volrath are both useful if you enjoy stealing other creatures abilities
I could certainly imagine the card simply being banned just because it doesnt make for enjoyable play experiences, and having seen Aetherworks Marvel loom over Standard once before, its not hard to imagine it being too good as Turn 4 Emrakul, the Promised Ends and Ulamog, the Ceaseless Hungers are soul-crushing and game-ending
For Unglued 2 (the set that never got madeyou can read more about it here and here), I messed around with a mechanic where there were left sides and right sides of cards, basically B.F.M
Card Set(s) -Royal Blood- [OP-10] CARD VIEW OP10-052 | C | CHARACTER Bartolomeo Attribute Special Block Icon 3 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] Place up to 1 Character with a cost of 1 or less at the bottom of the owner's deck
however, unlike pure Combo, Combo-Aggro doesn't focus on Combo as its only win condition