A new Heartwarming Pack is available in the Battle.net shop which includes the new Fireplume Regalia transmog set.
This pack contains the following items:
NEW Fireplume Regalia
Heart of the Aspects
Lucky Yun
Warforged Nightmare
Sunwarmed Furline
Lil’ Ragnaros
Cinder Kitten
Soul of the Aspects
If you own any of the items, the cost will be discounted.