Neurotoxic Breath==> Acc(18) Acc(46) Slow(46) Rechg(50)
I would put some range in this, although i dont know where to get the slots from (perhaps a tohit from tactics).
My plan was going the Mu patron, since it has a fast hold power, wich stacks lovely with Par.poison. Ghost widow has abit longer activation time, but has -acc in the powers.
Outside that, cant find anything wrong about it, really nice set.
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(50)MaceX/(50)Encore
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One of my main thoughts was to try and bring Smoke Flash forward...seems like to good of a power to take so late in the game, prehaps take that at lvl30, Paralytic Poison at lvl35 and Hasten at lvl44...not really sure how dependant /Poison is on Hasten.
bleh, totaly forgot that smoke flash. I love that power, though it need some heavy slotting since its very end-heavy. But it can become nearly perma (hasten gives perma), having 1 pet nonstop showing off crits 
If you can run away with acro for a while, i would put it there, it gives a great additional damage. I am running /poison without hasten, its pretty doable. Each power with 2 rechare is quite ok to live with. Moving Par.Poison ahead i wouldnt do, its a great hold power with a very long duration (self stacking).
50)Sinergy X/(50)Mika.
(50)MaceX/(50)Encore
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---------------------------------------------
01) --> Call Genin==> Acc(1) Acc(3) Dmg(5) Dmg(7) Dmg(9) DisDur(33)
01) --> Alkaloid==> Heal(1) Heal(3) Heal(5) EndRdx(7) EndRdx(9) Rechg(46)
02) --> Envenom==> Acc(2) Acc(11) Rechg(19) Rechg(19) DefDeBuf(50)
04) --> Weaken==> Acc(4) Acc(11) TH_DeBuf(17) TH_DeBuf(17) Rechg(23) Rechg(23)
06) --> Train Ninjas==> EndRdx(6)
08) --> Swift==> Run(8)
10) --> Combat Jumping==> Jump(10)
12) --> Call Jounin==> Acc(12) Acc(13) Dmg(13) Dmg(15) Dmg(15) Slow(33)
14) --> Super Jump==> Jump(14)
16) --> Hurdle==> Jump(16)
18) --> Neurotoxic Breath==> Acc(18) Acc(25) Range(40) Rechg(40) Slow(46)
20) --> Stamina==> EndMod(20) EndMod(21) EndMod(21)
22) --> Smoke Flash==> Acc(22) Acc(25) Rechg(37) Rechg(37) Rechg(46)
24) --> Assault==> EndRdx(24)
26) --> Oni==> Acc(26) Acc(27) Dmg(27) Dmg(29) Dmg(29) Hold(33)
28) --> Tactics==> EndRdx(28) TH_Buf(31) TH_Buf(31) TH_Buf(31) EndRdx(45)
30) --> Paralytic Poison==> Acc(30) Acc(34) Hold(34) Hold(34) Rechg(36) Rechg(36)
32) --> Kuji In Zen==> Rechg(32) Rechg(37) EndRdx(43)
35) --> Acrobatics==> EndRdx(35) EndRdx(36)
38) --> Noxious Gas==> EndRdx(38) EndRdx(39) Rechg(39) Rechg(39) Rechg(40)
41) --> Bile Spray==> Acc(41) Dmg(42) Dmg(42) Dmg(42) EndRdx(43) Rechg(43)
44) --> Hasten==> Rechg(44) Rechg(45) Rechg(45)
47) --> Vengeance==> Heal(47) Heal(48) DefBuf(48) DefBuf(48) TH_Buf(50) TH_Buf(50)
49) --> Elixir of Life==> Rechg(49)
---------------------------------------------
Hows this one look?
Moved a couple of slots and powers around and still look happy with it (although i always miss something), also according to my planner, it says that Smoke Flash only takes Acc/Rechrg enhancements...is this true, because 30 endurance every time sounds pricey, especially if you can perma it.
It accepts EndReds too, i have the power already. (animation is pretty stupid, you just point to your pet). Although i'm not quite sure what the Acc does in the smoke flash, never noticed much difference - im using endred and recharge only. Your pet just drops a smoke bomb and become invis and gets ability to crit nonstop 
Seems pretty good now, envemon works great if you dont have tactics yet. I skipped hasten and took antidote (the mezz resist thing), specialy later on there is a lot stun/sleep powers getting around. Patch of Issue9 also gave it fear/confuse protection i believe and works good if you send in a pet with noxious gas. Also nice to have in teamplay. Elixer of life only usefull in teams, since you cant rez your pets.
So overal, it would have been my build too
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(50)MaceX/(50)Encore
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Smoke Flash doesn't take ACC enh. It's a pet buff not a enemy debuff.
I put to you MM'ites my build for the MM i'm planning on trying, i have absolutely no idea on how to slot the poison side of things, having never really seen one in action....also Ninjas might be a bit off, due to only having a Bots/FF.
This is purely PvE only(may respec at end of career for PvP) and will be mainly solo or Duo'in (possibly with another MM, Brute or Corr...the missus ain't decided yet)
Archetype: Mastermind
Primary: Ninjas
Secondary: Poison
---------------------------------------------
01) --> Call Genin==> Acc(1) Acc(3) Dmg(5) Dmg(7) Dmg(9) DisDur(33)
01) --> Alkaloid==> Heal(1) Heal(3) Heal(5) EndRdx(7) EndRdx(9) Rechg(36)
02) --> Envenom==> Acc(2) Acc(11) DefDeBuf(17) DefDeBuf(25) Rechg(25) Rechg(43)
04) --> Weaken==> Acc(4) Acc(11) TH_DeBuf(17) TH_DeBuf(19) Rechg(19) Rechg(23)
06) --> Train Ninjas==> EndRdx(6)
08) --> Swift==> Run(8)
10) --> Combat Jumping==> Jump(10)
12) --> Call Jounin==> Acc(12) Acc(13) Dmg(13) Dmg(15) Dmg(15) Slow(33)
14) --> Super Jump==> Jump(14)
16) --> Hurdle==> Jump(16)
18) --> Neurotoxic Breath==> Acc(18) Acc(46) Slow(46) Rechg(50)
20) --> Stamina==> EndMod(20) EndMod(21) EndMod(21)
22) --> Acrobatics==> EndRdx(22) EndRdx(23)
24) --> Assault==> EndRdx(24)
26) --> Oni==> Acc(26) Acc(27) Dmg(27) Dmg(29) Dmg(29) Hold(33)
28) --> Tactics==> EndRdx(28) TH_Buf(31) TH_Buf(31) TH_Buf(31) EndRdx(40)
30) --> Paralytic Poison==> Acc(30) Acc(34) Hold(34) Hold(34) Rechg(37) Rechg(40)
32) --> Kuji In Zen==> Rechg(32) Rechg(36) EndRdx(36)
35) --> Hasten==> Rechg(35) Rechg(37) Rechg(37)
38) --> Noxious Gas==> EndRdx(38) EndRdx(39) Rechg(39) Rechg(39) Rechg(40)
41) --> Bile Spray==> Acc(41) Dmg(42) Dmg(42) Dmg(42) EndRdx(43) Rechg(43)
44) --> Smoke Flash==> Acc(44) Acc(45) Rechg(45) Rechg(45) Rechg(46)
47) --> Vengeance==> DefBuf(47) DefBuf(48) TH_Buf(48) TH_Buf(48) Heal(50) Heal(50)
49) --> Elixir of Life==> Rechg(49)
---------------------------------------------
So then...whats slotted wrong, what should be taken before what and such. Would like to keep SJ as my main travel power but happy to lose Acro...if you feel its not needed with all Buffs/Debuffs being ranged.
And as for the Patron, would prefer Mako as never worked his arcs yet...but if theres a better suited one, i might be persuaded to change my alliance.
Look forward to your thoughts.