Tithe Drinker

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Squire's Devotion

Enchant creature
Enchanted creature gets +1/+1 and has lifelink.
When this Aura enters, create a 1/1 white Vampire creature token with lifelink.

Certain Death

Destroy target creature. Its controller loses 2 life and you gain 2 life.

Alms of the Vein

Target opponent loses 3 life and you gain 3 life.
Madness {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.)

Gruesome Fate

Each opponent loses 1 life for each creature you control.

Twins of Maurer Estate

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.)

Stromkirk Patrol

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

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Sisay's Ring

Gift of Orzhova

Enchant creature
Enchanted creature gets +1/+1 and has flying and lifelink.

Skymarch Bloodletter

Flying
When this creature enters, target opponent loses 1 life and you gain 1 life.

Sanguine Indulgence

This spell costs {3} less to cast if you've gained 3 or more life this turn.
Return up to two target creature cards from your graveyard to your hand.

Vampire Envoy

Flying
Whenever this creature becomes tapped, you gain 1 life.

Wedding Invitation

When this artifact enters, draw a card.
{T}, Sacrifice this artifact: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.

Swamp

Moment of Triumph

Target creature gets +2/+2 until end of turn. You gain 2 life.

Queen's Agent

Lifelink
When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Defang

Enchant creature
Prevent all damage that would be dealt by enchanted creature.

Victim of Night

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

Orzhov Guildgate

This land enters tapped.
{T}: Add {W} or {B}.

Vampire Champion

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Blood Pact

Target player draws two cards and loses 2 life.

Queen's Commission

Create two 1/1 white Vampire creature tokens with lifelink.

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.)

Orzhov Signet

Lucky Offering

Destroy target artifact with mana value 3 or less. You gain 3 life.

Blood Bairn

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

Bishop's Soldier

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

Stromkirk Mentor

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

Radiant Fountain

When this land enters, you gain 2 life.
{T}: Add {C}.

Goldmire Bridge

This land enters tapped.
Indestructible
{T}: Add {W} or {B}.

Gift of Fangs

Enchant creature
Enchanted creature gets +2/+2 as long as it's a Vampire. Otherwise, it gets -2/-2.

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Paladin of the Bloodstained

When this creature enters, create a 1/1 white Vampire creature token with lifelink.

Dogged Pursuit

At the beginning of your end step, each opponent loses 1 life and you gain 1 life.

Darksteel Citadel

Gateway Plaza

This land enters tapped.
When this land enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Sanguine Glorifier

Falkenrath Noble

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

Dusk Legion Zealot

When this creature enters, you draw a card and you lose 1 life.

Child of Night

Ritual of Rejuvenation

Orzhov Locket

{T}: Add {W} or {B}.
{W/B}{W/B}{W/B}{W/B}, {T}, Sacrifice this artifact: Draw two cards.

Blood Seeker

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

Rabid Bloodsucker

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

Vampire's Zeal

Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.

Cliffhaven Vampire

Flying
Whenever you gain life, each opponent loses 1 life.

Snowfield Sinkhole

({T}: Add {W} or {B}.)
This land enters tapped.

Archway Commons

Murder

Plains

Arrogant Outlaw

When this creature enters, if an opponent lost life this turn, each opponent loses 2 life and you gain 2 life.

Nocturnal Feeder

Flying
When this creature dies, each opponent loses 2 life and you gain 2 life.

Pulse Tracker

Whenever this creature attacks, each opponent loses 1 life.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Mark of the Vampire

Enchant creature
Enchanted creature gets +2/+2 and has lifelink.

Thriving Moor

This land enters tapped. As it enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Path of Ancestry

This land enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Unholy Officiant

Vigilance
{4}{W}: Put a +1/+1 counter on this creature.

Moment of Craving

Target creature gets -2/-2 until end of turn. You gain 2 life.

Savage Gorger

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

Orzhov Basilica

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {W}{B}.

Environmental Sciences

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Scoured Barrens

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Luminous Bonds

Enchant creature
Enchanted creature can't attack or block.

Eternal Thirst

Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Vampire Spawn

When this creature enters, each opponent loses 2 life and you gain 2 life.

Epicure of Blood

Whenever you gain life, each opponent loses 1 life.

Bat Whisperer

When this creature enters, if an opponent lost life this turn, create a 1/1 black Bat creature token with flying.

Markov Patrician

Marauding Blight-Priest

Sanctify

Destroy target artifact or enchantment. You gain 3 life.

Markov's Servant

Chosen of Markov

{T}, Tap an untapped Vampire you control: Transform this creature.

Chosen of Markov // Markov's Servant

Vampire's Kiss

Target player loses 2 life and you gain 2 life. Create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Nirkana Assassin

Whenever you gain life, this creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Silverquill Campus

This land enters tapped.
{T}: Add {W} or {B}.
{4}, {T}: Scry 1.

Thriving Heath

This land enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.