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Heres a list i made up im aiming for friendly play but competitive if that makes any sense :L
Please comment and criticise
Tz'arkan , Drinker of Worlds
Daemon Prince , Mark of Tzeentch , Soporific Musk , Fury of the Blood God , Stream of corruption -375 Pts
Exalted hero , Mark of khorne , Axe of Khorne , Shield , Favour of the gods chaos steed -196 pts
Rel'khir , Changer of ways
Chaos sorcerer , Lv 2 , Mark of tzeentch , Spell familar -155pts
Luthar Bubonicus - Flylord of Nurgle
Chaos Sorcerer , Lv2 , Mark of Nurgle , Spell familar -155pts
The Diseased Crazies
15 Chaos Warriors , Mark of nurgle , Shields , full command , Banner of rage -335 pts
The Bloodletting Savages
20 chaos marauders , flails , mark of khorne , full command - 150 pts
Hounds Of Change
5 Chaos Warhounds
The Blood God's Executioners
5 chaos marauder horsemen , Flails , Musician , Mark of Khorne , Shields - 110pts
Chaos Chariot , Mark of Khorne
The Dumb ... But highly Favoured
6 chaos trolls - 270 pts
Horsemen of the apocalypse
5 chaos knights , Lances , Full command , Mark of Khorne - 305 pts
He who slumbers deeply
Chaos Giant - Mark of slaanesh 265 pts
Total 2492 Pts
I would get halberds on the Nurgle/rage unit. If you are lucky you can cast regeneration on them, for protection. Otherwise, the protection they have is making things dead before they can hit you (vs WS3 units they should be safe (they hit on 5+ and often wound on 5's as well)).
Shields<Light armor on the Horsemen (Shields and Flails do not combine in combat).
I still think MoK is to expensive for 5 extra attacks.
If you can find some points, make the hero BSB. (I suggest dropping all champions).
Only one Spell Familiar per army, sorry.