A new national TV ad will target Republican lawmakers who voted against Democrats' economic stimulus package, using House GOP Whip Eric CantorEric Ivan CantorRace for Republican Speaker rare chance to unify party for election Scalise allies upset over Ryan blindside on McCarthy endorsement 2018 will test the power of political nobodies MORE's (Va.) comment that Republicans should "just say no" to the stimulus.

The ad will be coupled with a slew of radio spots encouraging GOP lawmakers to change their minds when the stimulus comes back to the House or Senate for further consideration once the two chambers' versions are reconciled.

Liberal activist group Americans United for Change and labor union AFSCME financed the ads and the $200,000 purchase of air time.

Americans United for Change and AFSCME are part of a massive liberal coalition dedicated to passing the stimulus, called the Campaign for Jobs and Economic Recovery Now.

See and hear the ads below: