Archaic. And FWIW, I wish our senators could belittle each other like Brits.... It also shows the spinelessness of a the Rs in the chamber. (or, devil’s advocate, shows Cruz bit off too much... So what kind of stink can RP pull now? WIth his PP defunding vehicle?)
The amendment can be offered against every bill that comes up. It gets a new amendment number, but nothing else changes. That's common. Doesn't mean the Senate takes it up, but the proponent can claim personal dedication to the cause.