On EDHRec, you can search for decks based off of a theme, and Artifacts are one of the major themes listed
The largest failing of Paralyze in black historically is that it works very poorly with Edict effects
Sidisi has proven herself so far in testing and I wouldnt be surprised if she was a cornerstone of the format
I wish there was just a little more support for it, like some reasonable cantrips that it could turn into good cardsmaybe something like Electrolyzebut you never know what the future might hold for Battlefield Thaumaturge
Then, by using Demonic Tutor, you can find Etrata hiding in your library
Oracle searches arent perfect and can be made very specific with regular expressions, but if youre looking for particular mechanics, this is the quickest way to find cards youve never seen before