Mistico over the last 4 years has been undeniable as the top star in Mexico. He's a great trios worker with his comebacks always feeling electric, and I think his challenger-of-the-month style singles matches have only improved in recent years. On first glance, he's a formula worker, using the classic shine/heat/comeback structure we know and love but that actually overlooks some of the nunaces he's introduced over the last couple of years especially. Take note of how well he protects the La Mistica and has incorporated the attempts for that move and subtle adjustments to get around it against opponents like Cavernario, Soberano Jr, or Virus. He benefits greatly from being the top dog in a company that just regularly churns out great matches by virtue of playing the hits (the CMLL house style trios match is maybe the most consistent match style of the decade).
I've only just begun combing through the original run in the 2000s and it is certainly flawed. The high flying is spectacular and the connection to the crowd is there, but I think you can tell Mistico hasn't quite learned how to make the most of all that raw talent quite yet. I would argue his 2020s has presented much more refined and smarter version of all this.
I don't know if I'll end up voting Mistico, if I do, he'll be a lower end pick, but he certainly deserves more scrutiny now than he got in 2016.