Cheung Yin ‘Kelly’ Sun. The tactic is called edge sorting [1], they played Baccarat and had the dealers turn certain cards 180 degrees "for luck".

Here's a great doco about it: https://www.youtube.com/watch?v=uEkl2yAdoHw

Lots of coverage around the gambling news sites too:

https://highstakesdb.com/news/high-stakes-reports/phil-ivey-...

[1]: https://en.wikipedia.org/wiki/Edge_sorting