Skymarch Bloodletter

Flying
When this creature enters, target opponent loses 1 life and you gain 1 life.

Liliana's Specter

Flying
When this creature enters, each opponent discards a card.

Child of Night

Sanitarium Skeleton

{2}{B}: Return this card from your graveyard to your hand.

Rancid Rats

Skulk (This creature can't be blocked by creatures with greater power.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Doomed Dissenter

When this creature dies, create a 2/2 black Zombie creature token.

Typhoid Rats

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

Sorin's Thirst

Sorin's Thirst deals 2 damage to target creature and you gain 2 life.

Disfigure

Target creature gets -2/-2 until end of turn.

Grasp of Darkness

Target creature gets -4/-4 until end of turn.

Bladed Pinions

Equipped creature has flying and first strike.
Equip {2}

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Mardu Shadowspear

Whenever this creature attacks, each opponent loses 1 life.
Dash {1}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Zombie

Spirit

Molting Snakeskin

Enchant creature
Enchanted creature gets +2/+0 and has "{2}{B}: Regenerate this creature."

Liliana's Caress

Whenever an opponent discards a card, that player loses 2 life.

Ill-Gotten Inheritance

At the beginning of your upkeep, this enchantment deals 1 damage to each opponent and you gain 1 life.
{5}{B}, Sacrifice this enchantment: It deals 4 damage to target opponent and you gain 4 life.

Treasure

{T}, Sacrifice this token: Add one mana of any color.

Tomb Hex

Target creature gets -2/-2 until end of turn.
Landfall — If you had a land enter the battlefield under your control this turn, that creature gets -4/-4 until end of turn instead.

Mausoleum Secrets

Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

Heartless Pillage

Target opponent discards two cards.
Raid — If you attacked this turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Deadbridge Shaman

When this creature dies, target opponent discards a card.

Veiled Shade

{1}{B}: This creature gets +1/+1 until end of turn.

Liliana Vess

+1: Target player discards a card.
−2: Search your library for a card, then shuffle and put that card on top.
−8: Put all creature cards from all graveyards onto the battlefield under your control.

Mind Rot

Bladebrand

Target creature gains deathtouch until end of turn.
Draw a card.

Skeleton Archer

When this creature enters, it deals 1 damage to any target.

Never Happened

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it.

Vicious Rumors

Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.

Underworld Dreams

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

Tormented Soul

This creature can't block and can't be blocked.

Hired Torturer

Defender
{3}{B}, {T}: Target opponent loses 2 life, then reveals a card at random from their hand.

Dead Weight

Enchant creature
Enchanted creature gets -2/-2.

Quag Sickness

Enchant creature
Enchanted creature gets -1/-1 for each Swamp you control.

Orzhov Enforcer

Deathtouch
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Blind Zealot

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, destroy target creature that player controls.

Perish the Thought

Target opponent reveals their hand. You choose a card from it. That player shuffles that card into their library.

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Swamp

Gurmag Swiftwing

Douse in Gloom

Douse in Gloom deals 2 damage to target creature and you gain 2 life.

Mardu Skullhunter

This creature enters tapped.
Raid — When this creature enters, if you attacked this turn, target opponent discards a card.

Paragon of Open Graves

Other black creatures you control get +1/+1.
{2}{B}, {T}: Another target black creature you control gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)