Illusion/Trick Arrow - Help! Where Do I Go From Here?

Okay, sometimes this character makes me feel Brilliant and others... well, I wonder what I was thinking... or what I was drinking, that made me think it was a good idea.

My experience shows that TA has a lot of what Illusion needs... soloing small groups of enemy is Cake! However, on larger groups and teams, I sometimes feel as if I have nothing useful to contribute, except Phantom Army... and Glue arrow... and Blind... and, Okay, all of my stuff is useful.

Anyway, I've reached level 22 and suddenly find myself wondering what to do next? Have I completely gimped myself, by not taking some critical power? Should I start the Fighting Pool? Or Leadership? Or Medicine? What should my goal be?

Ultimately, I want Phantom Army to be Permanent, or nigh so. My powers already cycle fast enough that Endurance Dysfunction is a threat, and I'm not even running S-Invisibility very often. So I know I need to make sure to slot EndRed and End Recovery.

Most of the time, I'm soloing on this server, but I plan to get involved with more TFs and larger group activities - I want to be effective! By the same token, I'm not looking to be the most 'leet' player around. At this time, I cannot USE a tricked-out L50 Purple ATO Incarnate build. Please limit yourselves to SOs and possibly one or two IOs, if I can find them on another character (yes, I have Many!).

Here's the build so far:

Hero Plan by Mids' Hero Designer 1.957
http://www.cohplanner.com/

Click this DataLink to open the build!

Ailuros Mischief: Level 49 Magic Controller
Primary Power Set: Illusion Control
Secondary Power Set: Trick Arrow
Power Pool: Leaping
Power Pool: Speed

Hero Profile:
Level 1: Spectral Wounds -- Acc(A), Acc(3), RechRdx(3), EndRdx(5), Dmg(5)
Level 1: Entangling Arrow -- Acc(A), Acc(7), Immob(7)
Level 2: Blind -- Acc(A), Acc(9), RechRdx(9), EndRdx(11), Hold(11)
Level 4: Glue Arrow -- RechRdx(A), Slow(13), Range(13)
Level 6: Deceive -- Acc(A), Acc(15), Conf(15)
Level 8: Superior Invisibility -- EndRdx(A), EndRdx(17)
Level 10: Combat Jumping -- DefBuff(A)
Level 12: Hasten -- RechRdx(A), RechRdx(17)
Level 14: Super Speed -- Run(A)
Level 16: Ice Arrow -- Acc(A), Acc(19)
Level 18: Phantom Army -- RechRdx(A), RechRdx(19), Acc(21)
Level 20: Acid Arrow -- Acc(A), Acc(21)
Level 22: [Empty]
Level 24: [Empty]
Level 26: [Empty]
Level 28: [Empty]
Level 30: [Empty]
Level 32: [Empty]
Level 35: [Empty]
Level 38: [Empty]
Level 41: [Empty]
Level 44: [Empty]
Level 47: [Empty]
Level 49: [Empty]
Level 1: Brawl -- Acc(A)
Level 1: Prestige Power Slide -- EndRdx(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- RechRdx(A)
Level 1: Containment
Level 1: Prestige Power Dash -- Empty(A)
Level 1: Prestige Power Quick -- Empty(A)
Level 1: Prestige Power Rush -- Empty(A)
Level 1: Prestige Power Surge -- Empty(A)
Level 4: Ninja Run
Level 2: Swift -- Run(A)
Level 2: Health -- Heal(A)
Level 2: Hurdle -- Jump(A)
Level 2: Stamina -- EndMod(A)
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