Either from inborn talent, the whimsy of the gods, or obsessive study of strange tomes, you have mastered the use of a cantrip.
Benefit: Choose a 0-level spell. You may cast that spell once per day as a spell-like ability. This spell-like ability is cast at your highest caster level gained; if you have no caster level, it functions at CL 1st. The spell-like ability's save DC is Charisma-based.