When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
At the beginning of your upkeep, sacrifice a creature.
6 /
6
{2}{B}{B}
Abyssal Persecutor
Creature - Demon
Flying, trample
You can't win the game and your opponents can't lose the game.
6 /
6
--
Akoum Refuge
Land
Akoum Refuge enters the battlefield tapped.
When Akoum Refuge enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{3}{R}
Anger
Creature - Incarnation
Haste
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.
2 /
2
{2}{B}{R}{R}
Anthem of Rakdos
Enchantment
Whenever a creature you control attacks, it gets +2/+0 until end of turn and Anthem of Rakdos deals 1 damage to you.
Hellbent -- As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{4}{B}{B}
Apocalypse Demon
Creature - Demon
Flying
Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard.
At the beginning of your upkeep, tap Apocalypse Demon unless you sacrifice another creature.
* /
*
{5}{B}{B}
Archdemon of Unx
Creature - Demon
Flying, trample
At the beginning of your upkeep, sacrifice a non-Zombie creature, then create a 2/2 black Zombie creature token.
6 /
6
{3}{B}{B}
Archfiend of Depravity
Creature - Demon
Flying
At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.
5 /
4
{6}{B}{B}
Archfiend of Despair
Creature - Demon
Flying
Your opponents can't gain life.
At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)
6 /
6
{1}{B}
Arguel's Blood Fast
Legendary Enchantment
{1}{B}, Pay 2 life: Draw a card.
At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.
--
Temple of Aclazotz
Legendary Land
(Transforms from Arguel's Blood Fast.)
{T}: Add {B}.
{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.
--
Barren Moor
Land
Barren Moor enters the battlefield tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)
{3}{B}{B}
Beacon of Unrest
Sorcery
Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.
{B}{B}{R}
Bedevil
Instant
Destroy target artifact, creature, or planeswalker.
{3}{B}{B}
Black Market
Enchantment
Whenever a creature dies, put a charge counter on Black Market.
At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.
{X}{B}{B}
Black Sun's Zenith
Sorcery
Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
--
Blood Crypt
Land - Swamp Mountain
({T}: Add {B} or {R}.)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{3}{B}
Blood Speaker
Creature - Ogre Shaman
At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.
Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.
3 /
2
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{B}{B}
Bloodghast
Creature - Vampire Spirit
Bloodghast can't block.
Bloodghast has haste as long as an opponent has 10 or less life.
Landfall -- Whenever a land enters the battlefield under your control, you may return Bloodghast from your graveyard to the battlefield.
2 /
1
{3}{B}{B}
Bloodgift Demon
Creature - Demon
Flying
At the beginning of your upkeep, target player draws a card and loses 1 life.
5 /
4
{B}
Bloodsoaked Champion
Creature - Human Warrior
Bloodsoaked Champion can't block.
Raid -- {1}{B}: Return Bloodsoaked Champion from your graveyard to the battlefield. Activate only if you attacked this turn.
2 /
1
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{B}
Burnt Offering
Instant
As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
--
Cabal Stronghold
Land
{T}: Add {C}.
{3}, {T}: Add {B} for each basic Swamp you control.
--
Canyon Slough
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Canyon Slough enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
{4}{B}{B}
Carnifex Demon
Creature - Phyrexian Demon
Flying
Carnifex Demon enters the battlefield with two -1/-1 counters on it.
{B}, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature.
6 /
6
{4}{B}{R}
Cauldron Dance
Instant
Cast this spell only during combat.
Return target creature card from your graveyard to the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.
You may put a creature card from your hand onto the battlefield. That creature gains haste. Its controller sacrifices it at the beginning of the next end step.
{2}{R}
Chaos Warp
Instant
The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
{2}
Charcoal Diamond
Artifact
Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.
{5}{R}
Charmbreaker Devils
Creature - Devil
At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.
Whenever you cast an instant or sorcery spell, Charmbreaker Devils gets +4/+0 until end of turn.
4 /
4
--
Cinder Barrens
Land
Cinder Barrens enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Crypt of Agadeem
Land
Crypt of Agadeem enters the battlefield tapped.
{T}: Add {B}.
{2}, {T}: Add {B} for each black creature card in your graveyard.
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{6}{B}{B}
Decree of Pain
Sorcery
Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.
Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.)
When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.
{3}{B}{B}{R}
Defiler of Souls
Creature - Demon
Flying
At the beginning of each player's upkeep, that player sacrifices a monocolored creature.
5 /
5
{2}{B}{B}
Demon of Catastrophes
Creature - Demon
As an additional cost to cast this spell, sacrifice a creature.
Flying, trample
6 /
6
{3}{B}{B}{B}
Demon of Dark Schemes
Creature - Demon
Flying
When Demon of Dark Schemes enters the battlefield, all other creatures get -2/-2 until end of turn.
Whenever another creature dies, you get {E} (an energy counter).
{2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.
5 /
5
{6}{B}{B}{B}
Demon of Death's Gate
Creature - Demon
You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost.
Flying, trample
9 /
9
{3}{B}{B}
Demon of Wailing Agonies
Creature - Demon
Flying
Lieutenant -- As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature."
4 /
4
{3}{B}{B}{B}
Demonic Hordes
Creature - Demon
{T}: Destroy target land.
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.
5 /
5
{4}{B}{B}
Demonlord Belzenlok
Legendary Creature - Elder Demon
Flying, trample
When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way.
6 /
6
{2}{B}{B}
Demonlord of Ashmouth
Creature - Demon
Flying
When Demonlord of Ashmouth enters the battlefield, exile it unless you sacrifice another creature.
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.)
5 /
4
{2}{B}{B}
Desecration Demon
Creature - Demon
Flying
At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.
6 /
6
--
Desert of the Fervent
Land - Desert
Desert of the Fervent enters the battlefield tapped.
{T}: Add {R}.
Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
--
Desert of the Glorified
Land - Desert
Desert of the Glorified enters the battlefield tapped.
{T}: Add {B}.
Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)
{3}{B}
Disciple of Bolas
Creature - Human Wizard
When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.
2 /
1
{2}{R}{R}
Disrupt Decorum
Sorcery
Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)
{3}{B}{B}
Doom Whisperer
Creature - Nightmare Demon
Flying, trample
Pay 2 life: 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.)
6 /
6
--
Dragonskull Summit
Land
Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.
{T}: Add {B} or {R}.
{7}{B}{B}{B}
Dread Cacodemon
Creature - Demon
When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.
8 /
8
{2}{B}{B}
Dread Return
Sorcery
Return target creature card from your graveyard to the battlefield.
Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{B}{R}
Dreadbore
Sorcery
Destroy target creature or planeswalker.
{5}{B}{B}
Eater of Hope
Creature - Demon
Flying
{B}, Sacrifice another creature: Regenerate Eater of Hope.
{2}{B}, Sacrifice two other creatures: Destroy target creature.
6 /
4
{4}{B}
Eliminate the Competition
Sorcery
As an additional cost to cast this spell, sacrifice X creatures.
Destroy X target creatures.
{3}{B}
Erebos, God of the Dead
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
Your opponents can't gain life.
{1}{B}, Pay 2 life: Draw a card.
5 /
7
{4}{B}{B}
Ever After
Sorcery
Return up to two target creature cards from your graveyard to the battlefield. Each of those creatures is a black Zombie in addition to its other colors and types. Put Ever After on the bottom of its owner's library.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{4}{B}
Exquisite Blood
Enchantment
Whenever an opponent loses life, you gain that much life.
{X}{B}{B}
Exsanguinate
Sorcery
Each opponent loses X life. You gain life equal to the life lost this way.
{R}
Faithless Looting
Sorcery
Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{R}
Fervor
Enchantment
Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)
--
Flamekin Village
Land
As Flamekin Village enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Flamekin Village enters the battlefield tapped.
{T}: Add {R}.
{R}, {T}: Target creature gains haste until end of turn.
{1}{R}{R}
Flamewake Phoenix
Creature - Phoenix
Flying, haste
Flamewake Phoenix attacks each combat if able.
Ferocious -- At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may pay {R}. If you do, return Flamewake Phoenix from your graveyard to the battlefield.
2 /
2
--
Foreboding Ruins
Land
As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Geier Reach Sanitarium
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.
--
Ghost Quarter
Land
{T}: Add {C}.
{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
{4}{B}{R}
Grave Upheaval
Sorcery
Put target creature card from a graveyard onto the battlefield under your control. It gains haste.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
--
Graven Cairns
Land
{T}: Add {C}.
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.
{3}{B}{B}
Gray Merchant of Asphodel
Creature - Zombie
When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
2 /
4
{3}{B}
Greed
Enchantment
{B}, Pay 2 life: Draw a card.
{B}
Gutterbones
Creature - Skeleton Warrior
Gutterbones enters the battlefield tapped.
{1}{B}: Return Gutterbones from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.
2 /
1
--
Hall of the Bandit Lord
Legendary Land
Hall of the Bandit Lord enters the battlefield tapped.
{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{3}{B}
Haunted Dead
Creature - Zombie
When Haunted Dead enters the battlefield, create a 1/1 white Spirit creature token with flying.
{1}{B}, Discard two cards: Return Haunted Dead from your graveyard to the battlefield tapped.
2 /
2
{4}{B}{R}
Havoc Festival
Enchantment
Players can't gain life.
At the beginning of each player's upkeep, that player loses half their life, rounded up.
{3}
Herald's Horn
Artifact
As Herald's Horn enters the battlefield, choose a creature type.
Creature spells you cast of the chosen type cost {1} less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.
--
High Market
Land
{T}: Add {C}.
{T}, Sacrifice a creature: You gain 1 life.
{1}{R}
Impending Disaster
Enchantment
At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.
{7}{B}{B}
In Garruk's Wake
Sorcery
Destroy all creatures you don't control and all planeswalkers you don't control.
{3}{B}{B}
Indulgent Tormentor
Creature - Demon
Flying
At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.
5 /
3
--
Kher Keep
Legendary Land
{T}: Add {C}.
{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.
{4}{B}{B}
Kothophed, Soul Hoarder
Legendary Creature - Demon
Flying
Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.
6 /
6
{6}{B}{B}{B}
Kuro, Pitlord
Legendary Creature - Demon Spirit
At the beginning of your upkeep, sacrifice Kuro, Pitlord unless you pay {B}{B}{B}{B}.
Pay 1 life: Target creature gets -1/-1 until end of turn.
9 /
9
{1}{B}{R}
Last One Standing
Sorcery
Choose a creature at random, then destroy the rest.
{5}{B}{B}{B}
Liege of the Pit
Creature - Demon
Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Liege of the Pit. If you can't, Liege of the Pit deals 7 damage to you.
Morph {B}{B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
7 /
7
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{3}{B}{B}
Liliana Vess
Legendary Planeswalker - Liliana
+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.
L:
5
{2}{B}{B}
Liliana of the Dark Realms
Legendary Planeswalker - Liliana
+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.
-3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.
-6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"
L:
3
{3}{B}{B}
Liliana's Contract
Enchantment
When Liliana's Contract enters the battlefield, you draw four cards and you lose 4 life.
At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.
{3}{B}{B}
Liliana, Death's Majesty
Legendary Planeswalker - Liliana
+1: Create a 2/2 black Zombie creature token. Mill two cards.
-3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.
-7: Destroy all non-Zombie creatures.
L:
5
{3}{B}{B}
Living Death
Sorcery
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.
{4}{B}{B}{B}
Lord of the Pit
Creature - Demon
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.
7 /
7
{4}{B}{B}{B}
Lord of the Void
Creature - Demon
Flying
Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.
7 /
7
{2}{B}{B}{R}{R}
Malfegor
Legendary Creature - Demon Dragon
Flying
When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.
6 /
6
{2}{B}
Mark of the Oni
Enchantment - Aura
Enchant creature
You control enchanted creature.
At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni.
{R}
Mass Hysteria
Enchantment
All creatures have haste.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
Miren, the Moaning Well
Legendary Land
{T}: Add {C}.
{3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.
{4}{B}{B}{B}
Necromantic Selection
Sorcery
Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.
{B}{B}
Nether Traitor
Creature - Spirit
Haste
Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever another creature is put into your graveyard from the battlefield, you may pay {B}. If you do, return Nether Traitor from your graveyard to the battlefield.
1 /
1
{3}{B}{B}
Ob Nixilis Reignited
Legendary Planeswalker - Nixilis
+1: You draw a card and you lose 1 life.
-3: Destroy target creature.
-8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."
L:
5
{3}{B}{B}
Ob Nixilis of the Black Oath
Legendary Planeswalker - Nixilis
+2: Each opponent loses 1 life. You gain life equal to the life lost this way.
-2: Create a 5/5 black Demon creature token with flying. You lose 2 life.
-8: You get an emblem with "{1}{B}, Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power."
Ob Nixilis of the Black Oath can be your commander.
L:
3
{4}{B}{B}
Ob Nixilis, Unshackled
Legendary Creature - Demon
Flying, trample
Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.
Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.
4 /
4
{2}{B}
Ophiomancer
Creature - Human Shaman
At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.
2 /
2
{5}{B}{B}
Overseer of the Damned
Creature - Demon
Flying
When Overseer of the Damned enters the battlefield, you may destroy target creature.
Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.
5 /
5
{3}{B}{B}
Palace Siege
Enchantment
As Palace Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your upkeep, return target creature card from your graveyard to your hand.
• Dragons -- At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.
{1}{B}{B}
Pawn of Ulamog
Creature - Vampire Shaman
Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."
2 /
2
{2}{B}{B}
Pestilence
Enchantment
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.
{5}{B}{B}{B}
Pestilence Demon
Creature - Demon
Flying
{B}: Pestilence Demon deals 1 damage to each creature and each player.
7 /
6
{3}
Phyrexian Altar
Artifact
Sacrifice a creature: Add one mana of any color.
{1}{B}{B}
Phyrexian Arena
Enchantment
At the beginning of your upkeep, you draw a card and you lose 1 life.
--
Phyrexian Tower
Legendary Land
{T}: Add {C}.
{T}, Sacrifice a creature: Add {B}{B}.
--
Polluted Mire
Land
Polluted Mire enters the battlefield tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{3}{B}{B}
Priest of the Blood Rite
Creature - Human Cleric
When Priest of the Blood Rite enters the battlefield, create a 5/5 black Demon creature token with flying.
At the beginning of your upkeep, you lose 2 life.
2 /
2
{X}{B}{B}
Profane Command
Sorcery
Choose two --
• Target player loses X life.
• Return target creature card with mana value X or less from your graveyard to the battlefield.
• Target creature gets -X/-X until end of turn.
• Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)
{2}{B}{B}{B}
Promise of Power
Sorcery
Choose one --
• You draw five cards and you lose 5 life.
• Create an X/X black Demon creature token with flying, where X is the number of cards in your hand.
Entwine {4} (Choose both if you pay the entwine cost.)
{B}
Rain of Filth
Instant
Until end of turn, lands you control gain "Sacrifice this land: Add {B}."
--
Rakdos Carnarium
Land
Rakdos Carnarium enters the battlefield tapped.
When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{R}.
{B}{R}
Rakdos Charm
Instant
Choose one --
• Exile target player's graveyard.
• Destroy target artifact.
• Each creature deals 1 damage to its controller.
{3}
Rakdos Cluestone
Artifact
{T}: Add {B} or {R}.
{B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card.
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
{3}
Rakdos Keyrune
Artifact
{T}: Add {B} or {R}.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.
{3}
Rakdos Locket
Artifact
{T}: Add {B} or {R}.
{B/R}{B/R}{B/R}{B/R}, {T}, Sacrifice Rakdos Locket: Draw two cards.
{2}
Rakdos Riteknife
Artifact - Equipment
Equipped creature gets +1/+0 for each blood counter on Rakdos Riteknife and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife."
{B}{R}, Sacrifice Rakdos Riteknife: Target player sacrifices a permanent for each blood counter on Rakdos Riteknife.
Equip {2}
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{2}{B}{B}{R}{R}
Rakdos the Defiler
Legendary Creature - Demon
Flying, trample
Whenever Rakdos the Defiler attacks, sacrifice half the non-Demon permanents you control, rounded up.
Whenever Rakdos deals combat damage to a player, that player sacrifices half the non-Demon permanents they control, rounded up.
7 /
6
{B}{B}{R}{R}
Rakdos, Lord of Riots
Legendary Creature - Demon
You can't cast this spell unless an opponent lost life this turn.
Flying, trample
Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.
6 /
6
{4}{B}{R}
Rakdos, the Showstopper
Legendary Creature - Demon
Flying, trample
When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.
6 /
6
{5}{B}{B}{B}
Razaketh, the Foulblooded
Legendary Creature - Demon
Flying, trample
Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.
8 /
8
{2}{B}
Read the Bones
Sorcery
Scry 2, then draw two cards. You lose 2 life.
{3}{B}{B}{B}
Reaper from the Abyss
Creature - Demon
Flying
Morbid -- At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.
6 /
6
{1}{B}
Reassembling Skeleton
Creature - Skeleton Warrior
{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.
1 /
1
{4}{B}{B}{B}{B}
Reiver Demon
Creature - Demon
Flying
When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.
6 /
6
{4}{B}
Rescue from the Underworld
Instant
As an additional cost to cast this spell, sacrifice a creature.
Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld.
{4}{B}
Revel in Riches
Enchantment
Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
At the beginning of your upkeep, if you control ten or more Treasures, you win the game.
{2}{B}{B}
Rite of Belzenlok
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II -- Create two 0/1 black Cleric creature tokens.
III -- Create a 6/6 black Demon creature token with flying, trample, and "At the beginning of your upkeep, sacrifice another creature. If you can't, this creature deals 6 damage to you."
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
{5}{B}{B}
Rune-Scarred Demon
Creature - Demon
Flying
When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.
6 /
6
{B}
Sacrifice
Instant
As an additional cost to cast this spell, sacrifice a creature.
Add an amount of {B} equal to the sacrificed creature's mana value.
{3}{R}
Sarkhan's Unsealing
Enchantment
Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.
Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.
{3}{B}{B}
Seizan, Perverter of Truth
Legendary Creature - Demon Spirit
At the beginning of each player's upkeep, that player loses 2 life and draws two cards.
6 /
5
{3}{B}{B}
Shadowborn Demon
Creature - Demon
Flying
When Shadowborn Demon enters the battlefield, destroy target non-Demon creature.
At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.
5 /
6
--
Shinka, the Bloodsoaked Keep
Legendary Land
{T}: Add {R}.
{R}, {T}: Target legendary creature gains first strike until end of turn.
--
Shizo, Death's Storehouse
Legendary Land
{T}: Add {B}.
{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
{2}{R}
Sin Prodder
Creature - Devil
Menace
At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.
3 /
2
{4}{B}{R}
Sire of Insanity
Creature - Demon
At the beginning of each end step, each player discards their hand.
6 /
4
--
Smoldering Marsh
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{4}{B}{B}
Sower of Discord
Creature - Demon
Flying
As Sower of Discord enters the battlefield, choose two players.
Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.
6 /
6
--
Spinerock Knoll
Land
Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
Spinerock Knoll enters the battlefield tapped.
{T}: Add {R}.
{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.
{6}{B}{B}{B}
Spirit of the Night
Legendary Creature - Demon Spirit
Flying, trample, haste, protection from black
Spirit of the Night has first strike as long as it's attacking.
6 /
5
{2}{R}
Squee, Goblin Nabob
Legendary Creature - Goblin
At the beginning of your upkeep, you may return Squee, Goblin Nabob from your graveyard to your hand.
1 /
1
{1}{R}{R}
Squee, the Immortal
Legendary Creature - Goblin
You may cast Squee, the Immortal from your graveyard or from exile.
2 /
1
{2}{B}{B}
Strands of Night
Enchantment
{B}{B}, Pay 2 life, Sacrifice a Swamp: Return target creature card from your graveyard to the battlefield.
{3}{B}{B}{B}
Stronghold Overseer
Creature - Demon
Flying
Shadow (This creature can block or be blocked by only creatures with shadow.)
{B}{B}: Creatures with shadow get +1/+0 until end of turn and creatures without shadow get -1/-0 until end of turn.
5 /
5
{3}{B}
Stunning Reversal
Instant
The next time you would lose the game this turn, instead draw seven cards and your life total becomes 1.
Exile Stunning Reversal.
--
Sulfurous Springs
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{2}
Talisman of Indulgence
Artifact
{T}: Add {C}.
{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.
--
Temple of Malice
Land
Temple of Malice enters the battlefield tapped.
When Temple of Malice enters the battlefield, scry 1.
{T}: Add {B} or {R}.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{4}{B}
The Eldest Reborn
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I -- Each opponent sacrifices a creature or planeswalker.
II -- Each opponent discards a card.
III -- Put target creature or planeswalker card from a graveyard onto the battlefield under your control.
{1}{B}{R}
Theater of Horrors
Enchantment
At the beginning of your upkeep, exile the top card of your library.
During your turn, if an opponent lost life this turn, you may play lands and cast spells from among cards exiled with Theater of Horrors.
{3}{R}: Theater of Horrors deals 1 damage to target opponent or planeswalker.
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{4}{B}
Thrilling Encore
Instant
Put onto the battlefield under your control all creature cards in all graveyards that were put there from the battlefield this turn.
{X}{B}{B}
Torment of Hailfire
Sorcery
Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.
{4}{B/R}
Torrent of Souls
Sorcery
Return up to one target creature card from your graveyard to the battlefield if {B} was spent to cast this spell. Creatures target player controls get +2/+0 and gain haste until end of turn if {R} was spent to cast this spell. (Do both if {B}{R} was spent.)
{B}{R}
Tymaret, the Murder King
Legendary Creature - Zombie Warrior
{1}{R}, Sacrifice another creature: Tymaret, the Murder King deals 2 damage to target player or planeswalker.
{1}{B}, Sacrifice a creature: Return Tymaret from your graveyard to your hand.
2 /
2
--
Untaidake, the Cloud Keeper
Legendary Land
Untaidake, the Cloud Keeper enters the battlefield tapped.
{T}, Pay 2 life: Add {C}{C}. Spend this mana only to cast legendary spells.
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{R}
Vandalblast
Sorcery
Destroy target artifact you don't control.
Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{2}{B}
Victimize
Sorcery
Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
--
Westvale Abbey
Land
{T}: Add {C}.
{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.
{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.
--
Ormendahl, Profane Prince
Legendary Creature - Demon
Flying, lifelink, indestructible, haste
{3}{B}{B}
Woebringer Demon
Creature - Demon
Flying
At the beginning of each player's upkeep, that player sacrifices a creature. If the player can't, sacrifice Woebringer Demon.
4 /
4
{3}{B}{B}{B}
Xathrid Demon
Creature - Demon
Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap Xathrid Demon and you lose 7 life.
7 /
7
{4}{B}
Yawgmoth's Vile Offering
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Put up to one target creature or planeswalker card from a graveyard onto the battlefield under your control. Destroy up to one target creature or planeswalker. Exile Yawgmoth's Vile Offering.
{3}{B}
Zombify
Sorcery
Return target creature card from your graveyard to the battlefield.
{X}{1}{B}
Consume Spirit
Sorcery
Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.
{1}{B}
Cover of Darkness
Enchantment
As Cover of Darkness enters the battlefield, choose a creature type.
Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and/or black creatures.)
{X}{B}{B}{B}
Death Cloud
Sorcery
Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.
{3}{B}{B}
Demonic Rising
Enchantment
At the beginning of your end step, if you control exactly one creature, create a 5/5 black Demon creature token with flying.
{2}{B/R}
Everlasting Torment
Enchantment
Players can't gain life.
Damage can't be prevented.
All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)
{3}{B}
Filth
Creature - Incarnation
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
As long as Filth is in your graveyard and you control a Swamp, creatures you control have swampwalk.
2 /
2
{R}{R}
Final Fortune
Instant
Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.
{2}{B}
Forsaken Wastes
World Enchantment
Players can't gain life.
At the beginning of each player's upkeep, that player loses 1 life.
Whenever Forsaken Wastes becomes the target of a spell, that spell's controller loses 5 life.
{5}{B}{B}
Grave Betrayal
Enchantment
Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.
{2}{R}
Impatience
Enchantment
At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.
{2}{R}
Price of Glory
Enchantment
Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.
{X}{B}{R}
Rakdos's Return
Sorcery
Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.
{4}{B}{B}
Reign of the Pit
Sorcery
Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.
{3}{B}{B}
Subversion
Enchantment
At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.
{1}{R}{R}
Sulfuric Vortex
Enchantment
At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.
If a player would gain life, that player gains no life instead.
{3}{R}{R}
World at War
Sorcery
After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)