You can copy artifacts with Replication Specialist and then animate them with Katsumasa, the Animator
There are other versions, including Neon Ink versions going for well over $1000, but if you manage to find the gold foil, it is the one youll want to find when youre cracking open Collector Boosters
We started with all Vintage Magic the Gathering cards as legal, and then every round we would ban all the cards that were played previous rounds -except- for cards that produce mana (lands, Black Lotus)
Fabricate never had much of an impact on Commander, but Cayth, Famed Mechanist puts it on full display, combining it with a repeatable way to populate Servos or proliferate +1/+1 counters
A lot of commanders available can start making an impact on their own - so even if you don't have creatures in your opening hand you can still make use of what is there and draw into your creatures later