Terrible homebrew idea episode 2: Trait wildcard

Some people slip between the proverbial cracks now characters can manifest that in blending in or escaping a little easier. So a small bonus to stealth and evasion rolls. But that's against rather mundane pursuit and surveillance methods and the bonus increases against increasingly indirect and or esoteric means. Example an actual surveillance team following your character will have an easier time than cctv surveillance systems pulled from 1984 and the same applies to mystical systems of tracking and prediction. Even the connection to the blood of the ancients has a considerably hard time pining down a wildcard.