Mana Tithe

Counter target spell unless its controller pays {1}.

Moment of Craving

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

Dusk Legion Zealot

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

Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Forsaken Sanctuary

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

Martyr of Dusk

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

Vampire Neonate

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

Consuming Sepulcher

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

Tithing Blade

When this artifact enters, each opponent sacrifices a creature of their choice.
Craft with creature {4}{B} ({4}{B}, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Tithing Blade // Consuming Sepulcher

Reckoner's Bargain

As an additional cost to cast this spell, sacrifice an artifact or creature.
You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Thorn of the Black Rose

Deathtouch
When this creature enters, you become the monarch.

Recover

Return target creature card from your graveyard to your hand.
Draw a card.

Plains

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.)

Vampire Sovereign

Flying
When this creature enters, target opponent loses 3 life and you gain 3 life.

Epicure of Blood

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.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Swamp

Vampire Spawn

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

Duress

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

Moment of Defiance

Target creature gets +2/+1 and gains lifelink until end of turn.
Draw a card.

Paladin of the Bloodstained

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