 Razor Ramon's rivalry with Irwin R. Schyster intensified at Survivor Series and led to Ramon defending his WWF Intercontinental Championship against Schyster at the Royal Rumble.This event also marked the beginning of The Undertaker's feud with Yokozuna, and Yokozuna defended his WWF World Heavyweight Championship against The Undertaker at the Royal Rumble.Survivor Series is an annual gimmick pay-per-view, produced every November by the World Wrestling Federation (WWF, now WWE) since 1987.