Demonic Vigor

Enchant creature
Enchanted creature gets +1/+1.
When enchanted creature dies, return that card to its owner's hand.

Ivory Cup

Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.

Instill Infection

Put a -1/-1 counter on target creature.
Draw a card.

Wrench Mind

Target player discards two cards unless they discard an artifact card.

Barony Vampire

Manalith

Duress

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

Feral Abomination

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Plains

Throne of Bone

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

Eviscerate

Macabre Waltz

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Augmenting Automaton

{1}{B}: Augmenting Automaton gets +1/+1 until end of turn.

Vicious Offering

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)
Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets -5/-5 until end of turn instead.

Candlelight Vigil

Enchant creature
Enchanted creature gets +3/+2 and has vigilance.

Righteous Blow

Righteous Blow deals 2 damage to target attacking or blocking creature.

Mourning

Enchant creature
Enchanted creature gets -2/-0.
{B}: Return Mourning to its owner's hand.

Essence Extraction

Essence Extraction deals 3 damage to target creature and you gain 3 life.

Epicure of Blood

Whenever you gain life, each opponent loses 1 life.

Chaplain's Blessing

Deadly Visit

Destroy target creature.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Vampire Neonate

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

Contaminated Ground

Enchant land
Enchanted land is a Swamp.
Whenever enchanted land becomes tapped, its controller loses 2 life.

Nightmare's Thirst

You gain 1 life. Target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn.

Angelic Purge

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

Swamp

Child of Night

Dutiful Thrull

Knight's Pledge

Enchant creature
Enchanted creature gets +2/+2.

Without Weakness

Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)
Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature
Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types. (It deals combat damage before creatures without first strike.)

Queen's Agent

Lifelink
When Queen's Agent enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Stabbing Pain

Target creature gets -1/-1 until end of turn. Tap that creature.

Mindstab Thrull

Whenever Mindstab Thrull attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.

Demotion

Enchant creature
Enchanted creature can't block, and its activated abilities can't be activated.

Sorin, Lord of Innistrad

+1: Create a 1/1 black Vampire creature token with lifelink.
−2: You get an emblem with "Creatures you control get +1/+0."
−6: Destroy up to three target creatures and/or other planeswalkers. Return each card put into a graveyard this way to the battlefield under your control.

Charge

Creatures you control get +1/+1 until end of turn.

Implement of Malice

{B}, Sacrifice Implement of Malice: Target player discards a card. Activate only as a sorcery.
When Implement of Malice is put into a graveyard from the battlefield, draw a card.

Traveler's Amulet

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Take Vengeance

Divest

Target player reveals their hand. You choose an artifact or creature card from it. That player discards that card.

Vampire Sovereign

Flying
When Vampire Sovereign enters, target opponent loses 3 life and you gain 3 life.