Because Magic: The Gathering is a three-decade old game that spans many different sets and rules, there isn't one overarching banlist
For more on this kind of strategy, read my article on the BAE (The Boros Advantage Engine)
Oblivion Ring abilities can net some card draw, but your opponents can help you reach the seven-cards-in-exile threshold if they run commanders like Tasha, the Witch Queen, Faldorn, Dread Wolf Herald, Prosper, Tome-Bound, and more
Another very critical part of leveraging stax pieces is avoiding nonbos and making sure you can break the symmetry
Doctors companion (You can have two commanders if the other is the Doctor.) Look, Doctor, good marksmanship is not a matter of luck. Illustrated by Irina Nordsol Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp