How about some love for the envoy?
you must be at least 4th level for the following envoy improvisation
In the Eyes (Ex)
Aim for the eyes and they will never see it coming!
As a standard action, you can make a single attack against a target within 60 feet. If you hit you may attempt a stealth check against the target as normal without having cover or concealment. If you succeed, you are considered hidden from that one target until the end of your next turn.