Opponent, 2000 pts. Nids
He usually runs 2 Tervigons, loads of termagants, 1 or 2 groups of warriors, a pack of genestealers, Swarmlord and tyrant guard, trigon prime and trigon, a drop pod of 3 zoanthropes.
I have tried several different armis, several different strategies and still I end up getting wiped.
what am I doing wrong, what models and I not using that I should, what tactics can I use to win.