Dysfunctional Rules X: I Cast Comprehend Rules

[Laughing Dog]

The spell Crown of Glory, in its first iteration in BoED, had M/DF in its component line, requiring a costly component, with a pretty precise description of how it is used, only if it was cast as an arcane spell. However, the spell only appears on two specific cleric domains, and on no other spell list, which, barring Arcane Disciple, Planar Touchstone or domain draught (which are options which didn't even exist at the time), means that almost half of the spell's text had absolutely no effect.

Nitpick: Crown of Glory's first iteration was in Defenders of Faith, which BoED even states in the spell description. Also, back then it only appeared on one specific cleric prestige domain (fittingly enough, the Glory domain.)
EDIT:

If a noncleric enters a prestige class that allows access
to a prestige domain, the character generally does gain
access to the domain. She can use the granted power
bestowed by the domain normally. If she is a divine
spellcaster (a paladin, ranger, or druid), each day she can
cast one extra spell of each spell level to which she
normally has access, which must be the spell from the
prestige domain for that level. If she is an arcane spellcaster (wizard, sorcerer, or bard), the domain spells are
added to her spells known—scribed in a wizard’s spellbook, or added to a sorcerer or bard’s list of known spells,
in addition to the character’s normal number

Not a dysfunction after all.