You can have two additional Oppressor Mines out at one time and you throw out two Mines per use of the ability instead of one, but your Mines have a lifetime of 6s.
Reduce the Cooldown of Oppressor Mine by 1.5-7.5s.
Increase the number of targets affected by Oppressor Mines by 1-5.
Increase the range of Oppressor Mine beams by 20-100%.
Reduce scope-in and scope-out time by 20-100%.
Hitting an enemy with a fully-charged Sniper Mode shot Heals you for 50-250.