So we know how important it is to get the proxies right
I personally can't think of any, but if one such deck exists then this is a good inclusion
If your mana was used for a dork then it gets a permanent +1/+1 boost from a counter, and over time that could be quite powerful
I see Ravensburger made the astute decision to return to color-coded organizers as opposed to the organizers that encouraged you to separate your cards by rarity
You have cards that make lots of Vampire tokens (like March of the Canonized, Mavren Fein, Charismatc Conqueror, and Sorin), cards that make Vampires bigger (like Legion Lieutenant, Etchings of the Chosen, and Radiant Destiny), as well as cards to keep your Vampires in play (like Timothar, Kindred Boon, and Dusk Legion Lieutenant)

Ayli, Eternal Pilgrim Barrowin of Clan Undurr Clavileo, First of the Blessed Cleric of Life's Bond Drana's Emissary Edgewalker Elas il-Kor, Sadistic Pilgrim Firja, Judge of Valor High Priest of Penance Imperious Oligarch Markov Purifier Minthara, Merciless Soul Moonrise Cleric Orah, Skyclave Hierophant Orzhov Pontiff Pitiless Pontiff Primaris Chaplain Ravos, Soultender Reaping Willow Sanguine Savior Scolding Administrator Silverquill Pledgemage Silverquill Silencer Sin Collector Sister Hospitaller Snooping Page Syndicate Guildmage Thalisse, Reverent Medium Tymna the Weaver Tymna the Weaver Underworld Coinsmith Vivisection Evangelist Vizkopa Confessor Zoraline, Cosmos Caller