How about a powerup for a weapon, which makes it an instakill, but only does so to Jedi?
Jaecob Maragi
Babelonian Militia Captain
Master Smuggler and Alliance Pilot
Captain of the LongShot(2)
THE Official Smuggler Forum Smartass!
The prices of my services are based on "tolerance". The more I have to tolerate you, the more you have to pay me.