Sex Change [2]
(Alteration, Evocation)

Range:  5 yards per level
Components:  V, S, M
Duration:  1 week per level
Casting Time:  6
Area of Effect:  One creature
Saving Throw:  Negates

This spell causes the victim's sex to change. Thus, a male becomes female and vice versa. A saving throw versus spell negates the effects. After the change, the victim will be confused for 1d10 turns. Also, he (or she) will have a percent chance equal to his (her) Constitution of going insane because of the trauma.
The DM must make sure the victim of the spell acts in the manner appropriate to the sex. If not, then the spell doesn't really seem powerful. The material component of this spell is an ivory tablet with a yin-and-yang symbol carved upon it.

