According to the "Art of War", all warfare is based on deception. Therefore, what we need is a candidate willing to run as a Democrat. Then, when he wins the election, behave like a Republican.
I'm serious. Most people only care about labels, especially in blue states - "Dems" = good; "Repubs" = bad. Well, let's find some libertarians willing to run as Democrats and back them in the blue states. Then, when they win, they can help conservatives in the red states to restore the Constitution.