Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Flying

{T}: Create a 2/2 black Vampire creature token with flying.

{B}: Transform Bloodline Keeper. Activate only if you control five or more Vampires.

Flying

Other Vampire creatures you control get +2/+2.

{T}: Create a 2/2 black Vampire creature token with flying.

Other Vampire creatures you control get +1/+1.

Tap five untapped Vampires you control: Gain control of target creature. It becomes a Vampire in addition to its other types.

When Champion of Dusk enters the battlefield, you draw X cards and you lose X life, where X is the number of Vampires you control.

Whenever Cordial Vampire or another creature dies, put a +1/+1 counter on each Vampire you control.

Whenever Cruel Celebrant or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

Flying, first strike

Whenever Drana, Liberator of Malakir deals combat damage to a player, put a +1/+1 counter on each attacking creature you control.

Eminence -- Whenever you cast another Vampire spell, if Edgar Markov is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.

First strike, haste

Whenever Edgar Markov attacks, put a +1/+1 counter on each Vampire you control.

Other Vampires you control get +1/+1.

When Edgar, Charmed Groom dies, return it to the battlefield transformed under its owner's control.

At the beginning of your upkeep, create a 1/1 white and black Vampire creature token with lifelink and put a bloodline counter on Edgar Markov's Coffin. Then if there are three or more bloodline counters on it, remove those counters and transform it.

Lifelink

Whenever another creature dies, put a +1/+1 counter on Elenda, the Dusk Rose.

When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power.

When Forerunner of the Legion enters the battlefield, you may search your library for a Vampire card, reveal it, then shuffle and put that card on top.

Whenever another Vampire enters the battlefield under your control, target creature gets +1/+1 until end of turn.

Lifelink

{2}, Sacrifice a creature: Put a +1/+1 counter on each Vampire you control.

{2}{B}: Knight of the Ebon Legion gets +3/+3 and gains deathtouch until end of turn.

At the beginning of your end step, if a player lost 4 or more life this turn, put a +1/+1 counter on Knight of the Ebon Legion. (Damage causes loss of life.)

Other Vampires you control get +1/+1.

Flying, protection from white

When Malakir Bloodwitch enters the battlefield, each opponent loses life equal to the number of Vampires you control. You gain life equal to the life lost this way.

Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink.

Flying

When Patron of the Vein enters the battlefield, destroy target creature an opponent controls.

Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.

Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it.

Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life.

As Secluded Courtyard enters, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{T}: Add {C}{C}.

First strike

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

Flying, deathtouch, lifelink

Menace (This creature can't be blocked except by two or more creatures.)

When Vampire Socialite enters the battlefield, if an opponent lost life this turn, put a +1/+1 counter on each other Vampire you control.

As long as an opponent lost life this turn, each other Vampire you control enters the battlefield with an additional +1/+1 counter on it.

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

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

Whenever you gain life, target opponent loses that much life.

{3}{B}{B}: Creatures you control gain lifelink until end of turn.

{T}: Add {C}.

{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a Vampire spell.

{5}, {T}: Create a Blood token. This ability costs {1} less to activate for each Vampire you control. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Flying

Whenever one or more other creatures with power 2 or less enter the battlefield under your control, draw a card. This ability triggers only once each turn.

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.

Sacrifice another creature: Yahenni gains indestructible until end of turn.