Blood Seeker

Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Vampire Interloper

Vampiric Fury

Vampire creatures you control get +2/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.)

Vampire Lacerator

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Dusk Legion Zealot

When Dusk Legion Zealot enters, you draw a card and you lose 1 life.

Vampire Aristocrat

Sacrifice a creature: Vampire Aristocrat gets +2/+2 until end of turn.

Erdwal Ripper

Haste
Whenever Erdwal Ripper deals combat damage to a player, put a +1/+1 counter on it.

Guul Draz Vampire

As long as an opponent has 10 or less life, Guul Draz Vampire gets +2/+1 and has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Child of Night

Stromkirk Mentor

When Stromkirk Mentor enters, put a +1/+1 counter on another target Vampire you control.

Stromkirk Patrol

Whenever Stromkirk Patrol deals combat damage to a player, put a +1/+1 counter on it.

Blood Bairn

Sacrifice another creature: Blood Bairn gets +2/+2 until end of turn.

Voracious Vampire

Menace
When Voracious Vampire enters, target Vampire you control gets +1/+1 and gains menace until end of turn.

Stromkirk Captain

First strike
Other Vampire creatures you control get +1/+1 and have first strike.

Falkenrath Noble

Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

Vampire Revenant

Balustrade Spy

Flying
When Balustrade Spy enters, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Viscera Seer

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Blood Burglar

During your turn, Blood Burglar has lifelink.(Damage dealt by this creature also causes you to gain that much life.)

Bloodrite Invoker

{8}: Target player loses 3 life and you gain 3 life.

Bloodrage Vampire

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Heirs of Stromkirk

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever Heirs of Stromkirk deals combat damage to a player, put a +1/+1 counter on it.

Rabid Bloodsucker

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Rabid Bloodsucker enters, each player loses 2 life.

Bloodflow Connoisseur

Sacrifice a creature: Put a +1/+1 counter on Bloodflow Connoisseur.

Driver of the Dead

When Driver of the Dead dies, return target creature card with mana value 2 or less from your graveyard to the battlefield.

Bloodmad Vampire

Whenever Bloodmad Vampire deals combat damage to a player, put a +1/+1 counter on it.
Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Savage Gorger

Flying
At the beginning of your end step, if an opponent lost life this turn, put a +1/+1 counter on Savage Gorger. (Damage causes loss of life.)

Bloodthrone Vampire

Sacrifice a creature: Bloodthrone Vampire gets +2/+2 until end of turn.

Stensia Banquet

Stensia Banquet deals damage to target opponent or planeswalker equal to the number of Vampires you control.
Draw a card.

Weirded Vampire

Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Nocturnal Feeder

Flying
When Nocturnal Feeder dies, each opponent loses 2 life and you gain 2 life.

Markov's Servant

Chosen of Markov

{T}, Tap an untapped Vampire you control: Transform Chosen of Markov.

Chosen of Markov // Markov's Servant

Shadow Alley Denizen

Whenever another black creature you control enters, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Victim of Night

Destroy target non-Vampire, non-Werewolf, non-Zombie creature.

Anointed Deacon

At the beginning of combat on your turn, you may have target Vampire get +2/+0 until end of turn.

Vampire Opportunist

{6}{B}: Each opponent loses 2 life and you gain 2 life.

Skymarch Bloodletter

Flying
When Skymarch Bloodletter enters, target opponent loses 1 life and you gain 1 life.

Vampire Envoy

Flying
Whenever Vampire Envoy becomes tapped, you gain 1 life.

Night Revelers

Night Revelers has haste as long as an opponent controls a Human.

Bloodcrazed Neonate

Bloodcrazed Neonate attacks each combat if able.
Whenever Bloodcrazed Neonate deals combat damage to a player, put a +1/+1 counter on it.

Vampire Neonate

{2}, {T}: Each opponent loses 1 life and you gain 1 life.

Twins of Maurer Estate

Ruthless Cullblade

Ruthless Cullblade gets +2/+1 as long as an opponent has 10 or less life.

Markov Patrician

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Epicure of Blood

Whenever you gain life, each opponent loses 1 life.

Olivia's Dragoon

Discard a card: Olivia's Dragoon gains flying until end of turn.

Quag Vampires

Multikicker {1}{B} (You may pay an additional {1}{B} any number of times as you cast this spell.)
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
Quag Vampires enters with a +1/+1 counter on it for each time it was kicked.