Blood Pet

Highway Robber

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

Ebon Dragon

Flying
When this creature enters, you may have target opponent discard a card.

Visara the Dreadful

Flying
{T}: Destroy target creature. It can't be regenerated.

Cackling Fiend

When this creature enters, each opponent discards a card.

Avatar of Woe

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
{T}: Destroy target creature. It can't be regenerated.

Hypnox

Flying
When this creature enters, if you cast it from your hand, exile all cards from target opponent's hand.
When this creature leaves the battlefield, return the exiled cards to their owner's hand.

Mesmeric Fiend

When this creature enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card.
When this creature leaves the battlefield, return the exiled card to its owner's hand.

Predatory Nightstalker

When this creature enters, you may have target opponent sacrifice a creature of their choice.

Apprentice Necromancer

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Phyrexian Rager

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

Balthor the Defiled

Minion creatures get +1/+1.
{B}{B}{B}, Exile Balthor: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Phyrexian Delver

When this creature enters, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.

Mindless Automaton

This creature enters with two +1/+1 counters on it.
{1}, Discard a card: Put a +1/+1 counter on this creature.
Remove two +1/+1 counters from this creature: Draw a card.

Earsplitting Rats

When this creature enters, each player discards a card.
Discard a card: Regenerate this creature.

Serpent Assassin

When this creature enters, you may destroy target nonblack creature.

Grandmother Sengir

{1}{B}, {T}: Target creature gets -1/-1 until end of turn.

Faceless Butcher

When this creature enters, exile another target creature.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Hidden Horror

When this creature enters, sacrifice it unless you discard a creature card.

Wei Assassins

When this creature enters, target opponent chooses a creature they control. Destroy that creature.

Chainer, Dementia Master

All Nightmares get +1/+1.
{B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
When Chainer leaves the battlefield, exile all Nightmares.

Basal Thrull

{T}, Sacrifice this creature: Add {B}{B}.

Brass Secretary

{2}, Sacrifice this creature: Draw a card.

Nekrataal

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Ascendant Evincar

Flying (This creature can't be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

Bone Shredder

Flying
Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, destroy target nonartifact, nonblack creature.

Dark Hatchling

Flying
When this creature enters, destroy target nonblack creature. It can't be regenerated.

Mercenary Knight

Volrath the Fallen

{1}{B}, Discard a creature card: Volrath gets +X/+X until end of turn, where X is the discarded card's mana value.

Sengir Autocrat

When this creature enters, create three 0/1 black Serf creature tokens.
When this creature leaves the battlefield, exile all Serf tokens.

Dakmor Lancer

When this creature enters, destroy target nonblack creature.

Phyrexian Gargantua

When this creature enters, you draw two cards and you lose 2 life.

Body Snatcher

When this creature enters, exile it unless you discard a creature card.
When this creature dies, exile it and return target creature card from your graveyard to the battlefield.

Blood Vassal

Mind Maggots

When this creature enters, discard any number of creature cards. For each card discarded this way, put two +1/+1 counters on this creature.