Really, the only reason I can think of that this isn't further up the list is that Pir and Toothy became so ubiquitous as a "you can't let this person play Magic " kind of commander pairing that people got a little sick of it and moved on to browner pastures
Sheoldred, The Apocalypse Released in Dominaria United, Sheoldred wasn't going to rotate out in 2023 like the other cards in this list, but this Phyrexian Praetor has been a plague in Standard since her release
Characters from the Four Emperors, Galley-La Company, and Animal Kingdom Pirates are also frequently seen on purple cards
Maybe the best measure of a Magic card design is how helpless a fresh player is to the ideas that come to mind while reading it, despite what seems like very little English language input
Ever locked yourself out of a game with a Necropotence
Between the lack of curation, the shoddy card treatment, and the fact that we literally only got Crimson Vow two months ago, Double Feature has all of the hallmarks of being a cash grab