Taking on (Chaos) Invisibilty

The Red King wrote:

But if he wants to play against your list doesn't that mean unchanged? Or did he just challenge you?

We dont throw gauntlets down or anything.
And it was more a match against my "winning combo" of Dark Eldar and Eldar rather than specific list.
As I said, our game fell through and we just went over each others list.
He's makin some alterations, so I have the chance to as well.
But as mentioned the only change I'll probably make is adding in shadowseer for that sweet Ld debuff.