Delayed Light*

This spell creates a luminous glow, equal to torchlight. This radiance appears only when specific conditions are met, in the same way as a Magic Mouth spell is set to be triggered, even if this occurs years after casting. When the light does appear, it lasts for 1 turn, occupying an unmoving area (it cannot be cast on, or blind, a being).
* Converted from 2nd Ed.
Range: 60 yards
Sor 2, Wiz 2

From: Campaign Guide to Myth Drannor