i only have 2 choices for Prime rib.
A wet rub made of chopped fresh Garlic and chopped fresh rosemary.. S&P the meat, then rub on the the wet rub on heavy.
or rubdown with **kitchen bouquet/teriyaki, then add on layer of turbinado and Montreal seasoning.
** Ive used kitchen bouquet/teriyaki 50/50 for years and have recently switched to using the head country Marinade.