However, the 3/3 token-making is where he has my interest
You usually want your removal in Commander to affect more than a single card from a single player, but as far as 1-for-1 removal is concerned, Aura Mutation's worth it
Even the monetization seems alarmingly player-friendly: especially for something associated with Wizards of the Coast
(If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) : Monstrosity X, where X is the number of counters among creatures you control
Cheap, and a fantastic way to keep your Commander on the battlefield for longer, even if you've got no other artifacts in your deck, it can be a good move to put a Swiftfoot boots in there somewhere.
If Zulaport Cutthroat is on the battlefield and you can't get rid of it, the game is likely already decided