Mostly when you win is based off of who you face. But in general I would suggest a good term lord, some berserkers, plague marines, havoc squads, and obliterators. From the games that I have seen this is one of the more solid lists.
2xlash, vindicator, 6 oblits, cheap cheap cheap termies with plasma, and whatever troops you fancy - Plague Marines preferably. Lash them into position for a good plasma-ing or a pie-plate. Blow tanks up. Laugh as they try to kill plague marines in cover. Lash CC troops well away from you, preferably somewhere they can be shot. It's not guaranteed to win all your games, but the army pretty much plays itself.
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