I just realized Rachel is the only host who had the Phoenix but for a time didn't wear the Phoenix costume. During her Excalibur days, she was an avatar but wore her hound costume. She also wore the red phoenix costume but wasn't a Dark Phoenix. I think she also wore the green Phoenix costume.
Is there a level of power to the color of each phoenix costume?
Hope wore the white Phoenix Costume, does that mean she's also White Phoenix the crown?