You have greater natural access to your race’s powers of illusion.
Prerequisites: Gnome, Cha 13.
Benefit: You gain the ability to use one of the following spells once per day as a spell-like ability: disguise self, silent image, or ventriloquism. Caster level 1st; save DC 10 + your Cha modifier + spell level.
Special: This feat can be taken as many as three times. Each time, you select a different spell and gain one daily use of that spell.
Source: Races of Stone, page 143.