Omniscient Whispers

(Unearthed Arcana, page 94, DnD 3.5)

[Spelltouched]

A constant, barely audible muttering echoes in your ears, usually beyond your comprehension. But if you focus all your energy on listening, you sometimes catch a sentence or two that bears directly on your current situation.

Prerequisite

Exposure to commune or contact other plane spell

Benefit

Once per week, you can tune into the voices you hear, getting the answer to a question much as if you had asked it with a commune spell. Using this feat renders you exhausted.