This was widely seen as a mistake, even by MTG's Head Designer Mark Rosewater, and since then WotC has been much more careful when printing partner commanders, instead focusing lately on cards that can only be partners with one other specific creature
Similar to the PS5 scalping controversy, boxes of McDonald's 25th-anniversary cards are being sold on sites like eBay for hundreds of dollars
I recently saw the Deep-Fiend in a Pioneer deck, and that made me think the card might have a bit more longevity than people give it credit for
For one thing, you can treat it as a graveyard-oriented way to rebuy an enters trigger
As for Tevesh Szat, Doom of Fools, it could work well with Tana, the Bloodsower as a pair of commanders for Jund tokens
Put the exiled cards on the bottom in a random order.) Enchantment Omnath, Locus of All If you would lose unspent mana, that mana becomes black instead