Have

Malakir Cullblade

Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature.

Legion Lieutenant

Plains

Revenge

Double your life total. Target opponent loses half their life, rounded up.

Revival

Return target creature card with mana value 3 or less from your graveyard to the battlefield.

Revival // Revenge

Vizkopa Vampire

Exultant Skymarcher

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.

Queen's Commission

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

Dusk Legion Zealot

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

Sengir Vampire

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

Bishop of Rebirth

Vigilance
Whenever this creature attacks, you may return target creature card with mana value 3 or less from your graveyard to the battlefield.

Call to the Feast

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

Ravenous Chupacabra

When this creature enters, destroy target creature an opponent controls.

Forerunner of the Legion

When this creature enters, you may search your library for a Vampire card, reveal it, then shuffle and put that card on top.
Whenever another Vampire you control enters, target creature gets +1/+1 until end of turn.

Swamp

Death Wind

Target creature gets -X/-X until end of turn.

Harsh Sustenance

Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Luminous Bonds

Enchant creature
Enchanted creature can't attack or block.

Arterial Flow

Each opponent discards two cards. If you control a Vampire, each opponent loses 2 life and you gain 2 life.

Final Payment

As an additional cost to cast this spell, pay 5 life or sacrifice a creature or enchantment.
Destroy target creature.

Martyr of Dusk

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

Sanguine Glorifier

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