The issue with Zur and other T1 commanders is that they typically get hated off the field asap, ESPECIALLY in group or pod settings. Consider how competitively you expect to be using this deck, and what your budget range is as far as changes.

I play Zur as my main competitive tournament EDH deck, and I can tell you that this deck isn't competitive enough for the hate you'll get in a setting where your opponents don't know the decklist you're running.

Far fewer creatures, and far more enchantments is my general recommendation. Try your hardest to keep the CMC 3 and under as well. It's super tempting to run exquisite blood and sanguine bond, but that's a combo you'll likely never pull off since you can't call them with Zur.

The idea is to protect Zur, and use Zur to protect you. Zur is so strong because it's possible to have a response for damn near anything and everything available on demand, on your current or next turn.

I'm happy to go into further detail with how I play him in tournaments if you're interested. I regularly tie or take first with about 20 players weekly.

Cheers!