Well you need at least one pack of Hunters as a requirement. After that I would suggest at least one unit of Blood Claws at maximum size, either as a large infantry unit, or as a really scary 14 member with HQ in a LR Crusader...my favorite
Then you should have at least one GH to back up every BC assaulting unit. BCs are great in the initial assault, but they need some GH support if they stay stuck in HtoH for more than one round. I usually have 2 BC and 4 GH.
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