This card is probably most at home with commanders such as Urza, High Lord Artificer and Teferi, Temporal Archmage that can run a good number of basic lands and have built-in ways to break parity on the effect through untapping and mana production
Its still an awful topdeck, but it at least does something even if your opponent has nothing to take, and it could be a big player in U/B proliferate
The hexproof will also keep it safe from targeted edict effects, forcing your opponents to find a creative solution to this very serious problem
Yumas definitely your best bet out of the box
Your Leader card should be placed face-up
6 Firbolg Flutist A Deceptively Powerful Tune Threaten effects, or abilities that take a creature for a turn, don't really make the cut in Commander due to being low impact, but Firbolg Flutist makes sure the stolen creature impacts all your opponents at once