I didnt really play Draft back then, but I still regret not playing a Conspiracy Draft when I had the chance
The main thing that differentiates proxies from counterfeits is that only the counterfeit attempts to be the real thing, while the proxy always looks like something else entirely
It features many creatures and aliens from across the Multiverse, as well as the introduction of Spacecraft
Cards from the set also won't be legal for competitive play until their official release date, but you may still want to test a few new builds with them before your first competitive event
Being able to prevent damage to your creatures is good, and its even better when your commander has mana sinks built into them
Ive got just such a Zirda deck built, with a lot of delve into the dungeon cards, as WotCs Studio X made them a bit more expensive than they should have been because they werent entirely sure how theyd impact Standard