Zethi and Chun-Li are treated as the same card, so you can only have one copy between the two in a Commander deck
Its difficult to work out power level with strangers, so having a bigger list of the most powerful/problematic cards and then being able to say that three of them is level X, six is level Y, and so on, gives people a way to say, quickly and cleanly, how tuned and powerful their deck is
Borderless art double sided token included
Naturally, this gloriously broken strategy earned Unown a spot on the Expanded ban list
Theres some great new Commander options for Simic and Rakdos here, too
You can dip into all the cast-from-exile synergies like Prosper, Tome-Bound and Nalfeshnee to reward you for using Tibalt