While the rest of the world just got a 3.5 revival, China is having a 4.5 revival with brand new augments as a lunar new year celebration, with all new augments for the set, and the headliner mechanic is added for this set as well.

Originally posted by asher3

Just wanted to clarify that set 4 is where the headliner mechanic originated from and it was called chosen. It wasn't added to this set for the revival event.