1000 point cities of death list

Already played the game but thought I would put this up here. It was my first attempt at a coven list, and went alright all things considered.

HQ
1 x Haemy with venom blade and stinger pistol
1 x Haemy with liquifier and shattershard

Elites
6 x Mandrakes (these were awesome in this, I know they are not optimal but really caused some destruction)

Troops
10 x Wyches with haywire grenades in Raider
9 x Wracks with liquifier with Haemy in Raider
9 x Wracks with liquifier with Acothyst with Hex rifle and Haemy in Raider

Fast Attack
2 x Beastmaster
2 x Flocks
5 x Khymera

Heavy
1 x Talos with Liquifier and Stinger pods (is this one of the best toys in our arsenal?)

Anyway, any feedback for future coven list would be great. As this was my first outing with this style I really wasn't sure whether they would perform.

Happy new year all.