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
And everybody (save perhaps the player you're attacking) loves doubling effects
If youre right handed, fanning out 6-7 cards where only the first letter of each card is visible could speed this up since youre only looking at letters, making your brain not read the rest of the card
There are a lot of cultists and tattooed neer-do-wells that seem to have crossed over from WW newer game, Hero Realms
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