Nocturnal Feeder

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

Sangromancer

Flying
Whenever a creature an opponent controls dies, you may gain 3 life.
Whenever an opponent discards a card, you may gain 3 life.

Agonizing Syphon

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

Kalastria Nightwatch

Whenever you gain life, this creature gains flying until end of turn.

Blood Host

{1}{B}, Sacrifice another creature: Put a +1/+1 counter on this creature and you gain 2 life.

Swamp

Gifted Aetherborn

Thriving Moor

This land enters tapped. As it enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Indulgent Aristocrat

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

Sanguine Indulgence

This spell costs {3} less to cast if you've gained 3 or more life this turn.
Return up to two target creature cards from your graveyard to your hand.

Silversmote Ghoul

At the beginning of your end step, if you gained 3 or more life this turn, return this card from your graveyard to the battlefield tapped.
{1}{B}, Sacrifice this creature: Draw a card.

Bloodbond Vampire

Whenever you gain life, put a +1/+1 counter on this creature.

Last Gasp

Target creature gets -3/-3 until end of turn.

Vito, Thorn of the Dusk Rose

Whenever you gain life, target opponent loses that much life.
{3}{B}{B}: Creatures you control gain lifelink until end of turn.