Arizona political unknown Blake Masters may not be unknown for long, as a super PAC backing the Republican’s 2022 Senate bid plans a major advertising blitz to boost his name identification and tell his story.

Saving Arizona, seeded with $10 million from venture capitalist and Republican megadonor Peter Thiel, launched about four weeks ago and has yet to air any spots on Masters’s behalf. But the super PAC is charting an advertising campaign that amplifies the first-time candidate’s populist messaging and introduces him to Arizona voters. More than a half-dozen Republicans, four of them formidable, are vying to challenge Democratic Sen. Mark Kelly in the midterm elections.