Lofts and studios for low-income artists may suffer a major blow if the Republican effort to overhaul the tax system is signed into law.

An amendment to the tax bill passed by the Senate would strike artists’ housing from the list of qualified groups who can benefit from federally subsidized low-income housing. If the provision makes its way into the tax bill that moves on to the White House, it would forbid developers from using housing credits to build affordable housing with a preference for a…