Vampire Nighthawk

Captivating Vampire

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.

Gatekeeper of Malakir

Kicker {B} (You may pay an additional {B} as you cast this spell.)
When Gatekeeper of Malakir enters, if it was kicked, target player sacrifices a creature.

Bloodline Necromancer

Lifelink
When Bloodline Necromancer enters, you may return target Vampire or Wizard creature card from your graveyard to the battlefield.

Dash Hopes

When you cast this spell, any player may pay 5 life. If a player does, counter Dash Hopes.
Counter target spell.

Death's Shadow

Death's Shadow gets -X/-X, where X is your life total.

Vicious Conquistador

Whenever Vicious Conquistador attacks, each opponent loses 1 life.

Vampire Nocturnus

Play with the top card of your library revealed.
As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.

Rakish Heir

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

Cordial Vampire

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

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Stromkirk Captain

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

Killing Wave

For each creature, its controller sacrifices it unless they pay X life.

Languish

All creatures get -4/-4 until end of turn.

Kalastria Highborn

Whenever Kalastria Highborn or another Vampire you control dies, you may pay {B}. If you do, target player loses 2 life and you gain 2 life.