Follow-up: a ticket seems to be your best recourse. I'm not sure anything can be done, but letting the Cloud billing team know your specific card is having prob

Follow-up: a ticket seems to be your best recourse. I'm not sure anything can be done, but letting the Cloud billing team know your specific card is having problems may allow them to fix it. This can actually be a hard problem as some banks/issuers intermix prepaid and normal credit cards BINs (and I'm sure there are other issues I don't know about)