Such as the following:
Walking Cache: Allows you to pick up ammo in weapons on the ground.
Trigger Happy: Doubles your rate of fire.
Blindfire: When shooting enemies from the front, produces an opaque patch on their visor.
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EMP: blasts all nearby electronics(without the armor lock) Beacon: temporarily reveals position of enemy team for you and your teammates Strike: call in a single artillery shot; long cool down Rally: warps your team to assist in battle, or instead warp you to teammate under fire; long cool down Biological warfare: grenade that spawns flood to attack and distract enemy team Bomb squad: temporarily disables enemy grenades That's all I can come up with for now.