Your deity rewards your unquestioning faith and dedication.
Prerequisite: Must choose a single deity to worship. Must be within one step of that god’s alignment.
Benefit: Once per day when you are about to make a saving throw you may declare that you are using this feat to gain a +2 insight bonus on that saving throw. This feat also allows you to use a relic of the deity you worship.
Source: Complete Divine, page 86. Reprinted in Magic Item Compendium, page 222.