If you target itself with its ability and land combat damage, you can draw 15 cards
Then you can spend three to recur it from your graveyard to your hand, awesome in just the front side, before crafting with four mana
Being able to see the universe in the middle of the battlefield is very astonishing
The heavy reliance on Artifacts means that Urza gets exceptional value from Stax cards such as Stasis and Winter Orb, since you will not be as reliant on Lands as most other decks
Like U/G, going this route essentially sets you up to play generic good stuff control, so avoid playing the risky madness/delirium cards and prioritize bombs, removal and value like Said // Done that will help grind opponents into dust
You cast Angelic Intervention targeting your Watchwolf