This vampire theme deck revolves around spawning minions and sacrificing demons.
Innistrad Crimson Vow fans are going to love Blood Rites (White/Black).
These commanders include a human (Admiral Brass, Unsinkable) and a vampire (Don Andres, the Renegade) pirate. Ahoy Mateys (Blue/Black/Red) is a pirate-themed deck that cycles the seafarers in and out of the graveyard. The four commander decks are uniquely flavored and will also feature interesting cards worth considering for one of your pre-existing commanders.