[quote=IncredibleBee]
It's not unwanted if a potential player, y'know, wants it.And it's not superfluous if we've got a bunch of other guys shooting fireballs, and magic katanas out the wazoo.
[/quote]

It's unwanted if GM's don't want it; it's superfluous if you can get the same abilities through means that fit with the setting the RP is trying to establish.