What's in an effective 2,000 pt. Wych army?

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**Relapse**

I'm bringing my Dark Eldar back down from the shelf and am slowly putting together a Wych army. I've been creating a lot of lists based on "Theory Hammer" ideas, but I'd appreciate some solid advice from any who have run Wych armies and done well with them.

What I'm looking to do is make a 2,000 pt. army for tournaments in my area, so any help is welcome.