New U.S. sanctions targeting Iran’s Supreme Leader Ayatollah Khamenei will fuel tensions with the Islamic Republic. While good strategy, the sanctions nearly guarantee that Iran will act soon to test President Trump’s resolve.

Announced on Monday, the sanctions target Iranian Islamic Revolutionary Guard Corps financial activities and Khamenei’s funding of the inner sanctum. Treasury Secretary Steven Mnuchin added that new sanctions later this week will target Foreign Minister Javad Zarif.