The deck is really just made for casual play but the combo of Shadow Vampire + Vampire Duke is a fun one and then you get Bram out on the field.
Then, if you activate Vampire's Domain and then summon Vampire Red Baron, activate Domain to normal summon Scourge and then use his ability to bring Baron back? That gives you your ace monster, Vampire Sheridan and there's a few fun things that can do from there depending on the stage that the duel is at.
The Retainer and Familiar play on sending your own Vampire cards to the graveyard so Voivode is one of the first ones you'll want to try to send there if you can because when you use Bram's effect to special summon monsters from your opponent's grave, it's easy to get Voivode out on the field. Then, if you use Bram and Vampire Sucker's effects on the same turn, you can just sacrifice 2 of your opponents special summoned monsters to get Voivode out on the field so you don't have to sacrifice your own monsters.
Just a deck for casual play but I have fun with it
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