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.

Have

Drudge Reavers

Flash (You may cast this spell any time you could cast an instant.)
{B}: Regenerate this creature.

Undead Minotaur

Rotting Legion

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Plagued Rusalka

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

Jagwasp Swarm

Accursed Spirit

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Sutured Ghoul

Trample
As this creature enters, exile any number of creature cards from your graveyard.
Sutured Ghoul's power is equal to the total power of the exiled cards and its toughness is equal to their total toughness.

Felhide Minotaur

Scathe Zombies

Kjeldoran Dead

When this creature enters, sacrifice a creature.
{B}: Regenerate this creature.

Skeletal Kathari

Flying
{B}, Sacrifice a creature: Regenerate this creature.

Augur of Skulls

{1}{B}: Regenerate this creature.
Sacrifice this creature: Target player discards two cards. Activate only during your upkeep.

Mass of Ghouls

Ravenous Rats

When this creature enters, target opponent discards a card.

Walking Corpse

Nether Horror

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Tresserhorn Skyknight

Flying
Prevent all damage that would be dealt to this creature by creatures with first strike.

Deathgaze Cockatrice

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

Diregraf Ghoul

Zof Shade

{2}{B}: This creature gets +2/+2 until end of turn.

Prickly Boggart

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Duskmantle Prowler

Haste (This creature can attack and {T} as soon as it comes under your control.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Spineless Thug

Liliana's Specter

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

Archdemon of Unx

Flying, trample
At the beginning of your upkeep, sacrifice a non-Zombie creature, then create a 2/2 black Zombie creature token.

Severed Legion

Blood Scrivener

If you would draw a card while you have no cards in hand, instead you draw two cards and you lose 1 life.

Minotaur Abomination

Evernight Shade

{B}: This creature gets +1/+1 until end of turn.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Nightshade Stinger

Knight of Dusk

{B}{B}: Destroy target creature blocking this creature.

Ashen Ghoul

Haste
{B}: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if three or more creature cards are above this card.

Nightwing Shade

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

Smogsteed Rider

Whenever this creature attacks, each other attacking creature gains fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Knight of Infamy

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Asphodel Wanderer

Highborn Ghoul

Abyssal Specter

Flying
Whenever this creature deals damage to a player, that player discards a card.

Zombie Goliath

Woebringer Demon

Flying
At the beginning of each player's upkeep, that player sacrifices a creature of their choice. If the player can't, sacrifice this creature.

Corpse Hauler

{2}{B}, Sacrifice this creature: Return another target creature card from your graveyard to your hand.

Polluted Dead

When this creature dies, destroy target land.

Daggerclaw Imp

Reassembling Skeleton

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Dreg Reaver

Tenacious Dead

When this creature dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Crypt Ripper

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

Viscera Seer

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Souldrinker

Pay 3 life: Put a +1/+1 counter on this creature.

Blightcaster

Whenever you cast an enchantment spell, you may have target creature get -2/-2 until end of turn.

Bloodrite Invoker

{8}: Target player loses 3 life and you gain 3 life.

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.

Festering Goblin

When this creature dies, target creature gets -1/-1 until end of turn.

Gnawing Zombie

{1}{B}, Sacrifice a creature: Target player loses 1 life and you gain 1 life.

Veilborn Ghoul

This creature can't block.
Whenever a Swamp you control enters, you may return this card from your graveyard to your hand.

Duskhunter Bat

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Flying

Dregscape Zombie

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Drainpipe Vermin

When this creature dies, you may pay {B}. If you do, target player discards a card.