Dratini, Dragonair, Bagon, Shelgon, Axew, Fraxure, Haxorus.
This is such a strange move IMO. It's coming SO late and splitting Dragon and Colorless wouldn't have been my first choice, to be honest. (Rock/Ground and Fighting or Bug from Grass would have been higher priorities for me.) Dragon in the games is already one of the smallest types and now the existing Dragons are probably going to be spammed in the TCG if they feel it necessary for each set to have a few Dragon-type cards. Kind of like how every Fire and Electric Pokemon in the video games has a higher number of cards than Pokemon from the other types.