"I'll take on Washington and this administration to get the federal government off of our backs and out of our pockets," Machin says in the ad.
He adds, "I'll repeal the bad parts of Obamacare," using the Republican-preferred moniker for the health care reform law passed this year.
Then Manchin fires his rife on the cap-and-trade legislation. It's not a shock that a Democrat in a coal state wouldn't love the bill, but filling it with lead is bound to get Manchin some attention.
Our coverage of this race, and those wacky ad wars, is here.
Watch the ad: