Falkenrath Celebrants

Menace (This creature can't be blocked except by two or more creatures.)
When Falkenrath Celebrants enters, create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Falkenrath Noble

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

Neonate's Rush

This spell costs {1} less to cast if you control a Vampire.
Neonate's Rush deals 1 damage to target creature and 1 damage to its controller. Draw a card.

Wedding Invitation

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

Vampire Opportunist

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

Epicure of Blood

Whenever you gain life, each opponent loses 1 life.

Pulse Tracker

Whenever this creature attacks, each opponent loses 1 life.

Stensia Banquet

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

Blood Seeker

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

Marauding Blight-Priest

Blood Glutton

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

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.)

Dusk Legion Zealot

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

Vampire Neonate

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

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.)

Vampire Interloper

Gift of Fangs

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

Driver of the Dead

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

Stromkirk Captain

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