Bone Harvest

Put any number of target creature cards from your graveyard on top of your library.
Draw a card at the beginning of the next turn's upkeep.

Blood Pet

Return to Battle

Return target creature card from your graveyard to your hand.

Stronghold Assassin

{T}, Sacrifice a creature: Destroy target nonblack creature.

Ambition's Cost

You draw three cards and you lose 3 life.

Phyrexian Ghoul

Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn.

Dakmor Sorceress

Dakmor Sorceress's power is equal to the number of Swamps you control.

Bad Moon

Gluttonous Zombie

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

Diabolic Tutor

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

Living Death

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Abomination

Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Ancient Craving

Feral Shadow

Deepwood Ghoul

Carrion Ants

{1}: Carrion Ants gets +1/+1 until end of turn.

Ghostly Visit

Foul Imp

Flying
When Foul Imp enters, you lose 2 life.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Knight of Stromgald

Protection from white
{B}: Knight of Stromgald gains first strike until end of turn.
{B}{B}: Knight of Stromgald gets +1/+0 until end of turn.

Drudge Skeletons

{B}: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

Looming Shade

{B}: Looming Shade gets +1/+1 until end of turn.

Bog Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Hand of Death

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Plague Wind

Destroy all creatures you don't control. They can't be regenerated.

Mortivore

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
{B}: Regenerate Mortivore. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Beast of Burden

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

Fallen Angel

Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Zombify

Return target creature card from your graveyard to the battlefield.

Deathgazer

Whenever Deathgazer blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Bog Imp

Flying (This creature can't be blocked except by creatures with flying or reach.)

Frozen Shade

{B}: Frozen Shade gets +1/+1 until end of turn.

Dark Banishing

Destroy target nonblack creature. It can't be regenerated.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Aesthir Glider

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Bog Rats

Kjeldoran Dead

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

Raise Dead

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.

Bottle Gnomes

Sacrifice Bottle Gnomes: You gain 3 life.

Bog Raiders

Blighted Shaman

{T}, Sacrifice a Swamp: Target creature gets +1/+1 until end of turn.
{T}, Sacrifice a creature: Target creature gets +2/+2 until end of turn.

Hell's Caretaker

{T}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

Lim-Dûl's High Guard

First strike
{1}{B}: Regenerate Lim-Dûl's High Guard.

Clay Statue

Crypt Rats

{X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

Dakmor Ghoul

When Dakmor Ghoul enters, target opponent loses 2 life and you gain 2 life.

Reprocess

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Highway Robber

When Highway Robber enters, target opponent loses 2 life and you gain 2 life.

Nantuko Husk

Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.

Death Pit Offering

When Death Pit Offering enters, sacrifice all creatures you control.
Creatures you control get +2/+2.

Ihsan's Shade

Necrosavant

{3}{B}{B}, Sacrifice a creature: Return Necrosavant from your graveyard to the battlefield. Activate only during your upkeep.

Cosmic Horror

First strike
At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you.

Dakmor Lancer

When Dakmor Lancer enters, destroy target nonblack creature.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Swamp

Revenant

Flying
Revenant's power and toughness are each equal to the number of creature cards in your graveyard.