Welcome aboard
A relapsed gamer I see!
My advice is make the models you want and worry about the rules later - unique and interesting models don't get made by following what an Army Book or Codex says
I look forward to seeing some of you miniatures (PS I hope you didn't pay RRP for them)
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~The ravings of a single mad Goblin is bad enough, but such a power-hungry, malice-filled creature as Mortis can never hope to be understood~