For example. Take Summons.
Normal: Young and Mature Callers
Ancient: Ancient Callers
Dark: Black Knights.
Why not categorize it something like
Summons
Ancients
Phantoms
It would make casual conversation a little less confusing, with the constant need to specify "AC's Summons" Or "Limited White" (Could be something along the lines of assist or perhaps bless since the Limited White users are the Paladin and White Knight (And Young Caller.))