I have been trying to come up with a list for using all my black sun ships (Starviper, Khiraxz and Z-95 x2).

Any ideas?

Currently trying to get Jostero's skill to work. My only idea was black market slicer tools. For this I need stress though.

Is it better just going Talonbane and N'Dru with Harpoons and use the other two as blockers?

First off It's important to note that BMST doesn't actually trigger Jostero's ability, because the wording on Jostero specifies that the enemy ship has suffer damage, while BMST wording doesn't cause the opponent to suffer damage, it causes them to receive a damage card.

On that note, I think the best way to trigger Jostero, using the ships you want, is with Harpoons. With that in mind I made a quick list that might be fun to use, but it probably won't win you any tournaments:

Z-95 Headhunter: •N'dru Suhlak (22)
Guidance Chips (0)
Veteran Instincts (1)
Harpoon Missiles (4)

Z-95 Headhunter: •Kaa'to Leeachos (20)
Guidance Chips (0)
Deadeye (1)
Harpoon Missiles (4)

Starviper: •Thweek (30)
Autothrusters (2)
Starviper Mk.II (-3)
•Virago (1)
Fire-Control System (2)

Kihraxz Fighter: •Captain Jostero (27)
Guidance Chips (0)
Munitions Failsafe (0)
Vaksai (0)
Deadeye (0)
Harpoon Missiles (3)
Contraband Cybernetics (0)

Total: 99/100

If you really want to trigger Jostero's ability I suggest the list Joustero:

Scurrg H-6 Bomber: •Captain Nym (41)
Guidance Chips (0)
•Havoc (0)
Veteran Instincts (1)
Autoblaster Turret (2)
Harpoon Missiles (4)
•Bomblet Generator (3)
Trajectory Simulator (1)
•"Genius" (0)

M12-L Kimogila Fighter: •Torani Kulda (32)
Guidance Chips (0)
Veteran Instincts (1)
Harpoon Missiles (4)

Kihraxz Fighter: •Captain Jostero (27)
Munitions Failsafe (0)
•Multi-spectral Camouflage (0)
Guidance Chips (0)
Vaksai (0)
Deadeye (0)
Harpoon Missiles (3)
Contraband Cybernetics (0)

Total: 100/100

You can also switch EM for ABT.

1pt bid seems to little. I'd personally be more comfortable with a 2-3pts bid.

Don't know where to scrape that point. Maybe a trick shot somewhere or a score to settle?

What about this?

Loads of procs for Jostero, fun mods and flying, Jostero is pretty survivable, fits with your theme

Didn't even think of Dead Man's switch. Would actually be better than BMST.

I think I also overloaded the Starviper, and more Harpoons might get it working.

What about feedback array?

Captain Jostero (24)
Predator (3)
Harpoon Missiles (4)
Glitterstim (2)
Guidance Chips (0)
Vaksai (0)

Kaa'to Leeachos (15)
Saturation Salvo (1)
Harpoon Missiles (4)
Cloaking Device (2)
Munitions Failsafe (1)

Binayre Pirate (12)
Feedback Array (2)

Guri (30)
Targeting Scrambler (0)
Feedback Array (2)
Autothrusters (2)
StarViper Mk. II (-3)
Virago (1)

Total: 99

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Guri doesn't need an attack if she's using FA, so denying dice mods can keep her alive much longer than you would think. You could also switch AT for pulsed ray shields, since she'll already have one (ions don't stack) and maybe add a 1 point upgrade if you want.

Ka'to can use Sat. Salvo to trigger jostero, and he can take guri's extra focus if she doesn't need it. (Tip:use your target lock to reroll your hits) and cloaking device should give him the defense he'll need to get in close.

I'm not very familiar with the kirax, so you could probably make him better, but actionless mods should help with multiple attacks.

It probably won't win worlds, but it should be fun