Realistically, though, since Inkfathom Witch doesnt just care about your own creatures, it can easily sow chaos anywhere
Even in Standard, I can see Mirror Room finding a home using various blue strategies
If you play a lot of constructed Commander, these decks arent any more complicated than player constructed decks, but theres a lot of triggered/activated abilities, +1/+1 counters, and various mechanics from all over Magic inside them
"Men Who Brought Guns To Pokmon World Championships Sent To Prison For Two Years"
The only sliver of hope I might see on that front is that perhaps the two corrupted planeswalkers have more pressing issues Nissa with Chandra, and Nahiri perhaps wanting to finish her revenge against Sorin (although thats another point against Innistrad)