proxy mtg cards Magic: The Gathering exile target instant or sorcery card with mana value less than or equal to Arcane Proxys power from your graveyard Can I Find Ready-Made Elden

This works because state-based actions are not checked until the spell has resolved, and so there is no opportunity for the owner of the commander that was destroyed to then send that commander back to the Command Zone their first opportunity to do so is after the spell resolves

Keep drawing cards so you always have something to play

The format needs, the format craves cards like Void Mirror

Some mythics win games by attacking, others win by generating so much value over time that your opponents cant keep up

So I don't see a real reason to run Li Shang

There are so many ways to protect or bounce her that well likely seesee decks focused around just that