Last Word: Quickdraw and Spray and Play
Thorn: high caliber rounds or outlaw
Hawkmoon: Icarus
First Curse: Headseeker that procs when landing a headshot for a 2 tap if the first curse perk is active
Ace of Spades: Triple tap
Suros Regime: Life Support (Original life support)
Hardlight: Counterbalance
Monte Carlo: Close and/or Personal. Melees that are charged by the monte carlo perk (on kill, not dealing damage) OHK
Necrochasm: Exchanged cascade with outlaw. Added crowd control
Fabian Stragety: Glass Half Full
Khvostov 7g-0x: Snapshot, Quickdraw and Speed Reload (you choose between them)
Zhalo Supercell: Crowd Control
Mida Multitool: Kneepads.
Jade Rabit: Take a Knee
Boolean Gemini: Recovery Bonus (+ 2)
Touch of Malice: Persistance. Touch of Mercy replaced with Life Support
Tlaloc: Army of One
Red Death: Original Life Support or Hip-fire
Bad Juju: Snapshot
No Time To Explain: Persistance
Outbreak Prime: Reverse army of one: (enemies affected by siva swarms lose a bit of super and abilities energy/charge)
Special and Heavy Weapons tending
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You forgot to mention icebreaker has surplus