With this spell the wizard prepares a dispel
magic that will activate if a magic effect is triggered within
20 feet of the caster. This will also work on a dispel magic
targeted on the caster. Otherwise this spell is exactly as a
dispel magic. The trigger is on the caster.
 Level  5 Wiz, Sor, Clr  Components  V,S  Casting
 Time  1r  Range  0  Target  Caster  Duration  1t / lvl  Save  Special  Resistance  No