Dragon Sight( Dragon Compendium)
You have a dragon's affinity for magic and can see magical auras. When you use this ability, your eyes glow with inner light.
Draconic Bloodline (DC) , Ability to cast 2nd-level arcane spells,
You can use detect magic three times per day as a spell-like ability (caster level equals your level in the arcane spellcasting class that granted you access to this feat). This ability does not affect your number of spells known or spells per day.