Dan Istrate and ensemble. Photo by Graeme B. Shaw. After countless adaptations and revisions, what does the story of Dracula continue to bring to the table? Is it a cautionary tale? Case study of a haunting figure? An excuse for oozing sexuality? An almost comical villain at this point? Synetic Theater’s production of Bram Stoker’s classic (its second in recent years) plays a little with each of these ideas. The production is visually arresting…