Magic-Sight (3.5e Trait)
From D&D Wiki
You can see magic but it distracts you.
Benefit: Using Detect magic (spell) at will by blinking and concentrating.
Drawback: -1 Concentration per 2 levels. If subject is level 2 or 3 he gets -1 on Concentration when the ability is activated. If subject is level 12 or 13 he gets -6 on Concentration. Once the ability is activated it can not be turned off untill the spell wears-off.
Special: Character must be a spellcaster
Roleplaying Ideas: "I was born with this curse... I could see every little flash of magic around me , now that I learned how to control and truly understood magic I am ready to use my ... curse and go on an adventure."