I really like the Witherbloom school cards from Strixhaven: School of Mages that play up this strategy, and you can find them in Scryfall by searching for wm:Witherbloom for watermark, Witherbloom
Do you use cost reducers or land ramp
It doesn't copy whether that permanent is tapped or untapped, whether it has any counters on it or Auras attached to it, or any noncopy effects that have changed its power, toughness, types, color, and so on
Protection One of the best ways to keep your artifacts safe in this deck is Darksteel Forge
There are a lot of cultists and tattooed neer-do-wells that seem to have crossed over from WW newer game, Hero Realms
Myriad seems to be well represented in this set so I was quite glad to see Blade of Selves did get a reprint here and they didnt go out of their way to print something similar but different and kinda worse instead