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
--
Akoum Refuge
Land
Akoum Refuge enters the battlefield tapped.
When Akoum Refuge enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{6}{R}{R}
Alpha Brawl
Sorcery
Target creature an opponent controls deals damage equal to its power to each other creature that player controls, then each of those creatures deals damage equal to its power to that creature.
{3}{B}{B}
Annihilate
Instant
Destroy target nonblack creature. It can't be regenerated.
Draw a card.
{2}
Armillary Sphere
Artifact
{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
{5}{B}{B}{B}
Army of the Damned
Sorcery
Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{5}{B}{B}{B}
Baleful Force
Creature - Elemental
At the beginning of each upkeep, you draw a card and you lose 1 life.
7 /
7
{2}{B}{B}
Barter in Blood
Sorcery
Each player sacrifices two creatures.
{1}{B}{R}
Blightning
Sorcery
Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.
{1}{B}
Bloodcrazed Paladin
Creature - Vampire Knight
Flash
Bloodcrazed Paladin enters the battlefield with a +1/+1 counter on it for each creature that died this turn.
1 /
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
{2}{B}
Bloodhusk Ritualist
Creature - Vampire Shaman
Multikicker {B} (You may pay an additional {B} any number of times as you cast this spell.)
When Bloodhusk Ritualist enters the battlefield, target opponent discards a card for each time it was kicked.
2 /
2
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{B}
Crypt Ghast
Creature - Spirit
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional {B}.
2 /
2
{2}{B}
Dark Impostor
Creature - Vampire Assassin
{4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor.
Dark Impostor has all activated abilities of all creature cards exiled with it.
2 /
2
{3}
Darksteel Plate
Artifact - Equipment
Indestructible
Equipped creature has indestructible.
Equip {2}
{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.
{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
{2}{B}{B}
Diabolic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{B}{B}
Distress
Sorcery
Target player reveals their hand. You choose a nonland card from it. That player discards that card.
{B}{R}
Dreadbore
Sorcery
Destroy target creature or planeswalker.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{B}{R}
Exava, Rakdos Blood Witch
Legendary Creature - Human Cleric
First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each other creature you control with a +1/+1 counter on it has haste.
3 /
3
{4}
Eye of Doom
Artifact
When Eye of Doom enters the battlefield, each player chooses a nonland permanent and puts a doom counter on it.
{2}, {T}, Sacrifice Eye of Doom: Destroy each permanent with a doom counter on it.
{4}{B}{B}
Geth, Lord of the Vault
Legendary Creature - Phyrexian Zombie
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
{X}{B}: Put target artifact or creature card with mana value X from an opponent's graveyard onto the battlefield under your control tapped. Then that player mills X cards.
5 /
5
{2}{B}{B}
Grisly Spectacle
Instant
Destroy target nonartifact creature. Its controller mills cards equal to that creature's power.
{4}{B}
Harrowing Journey
Sorcery
Target player draws three cards and loses 3 life.
{5}{B}{B}
Herald of Anguish
Creature - Demon
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
At the beginning of your end step, each opponent discards a card.
{1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.
5 /
5
{1}{B}{B}
Herald of Torment
Enchantment Creature - Demon
Bestow {3}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying
At the beginning of your upkeep, you lose 1 life.
Enchanted creature gets +3/+3 and has flying.
3 /
3
{B}{B}
Hymn to Tourach
Sorcery
Target player discards two cards at random.
{5}{B}{B}
Ichor Explosion
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
All creatures get -X/-X until end of turn, where X is the sacrificed creature's power.
{1}{B}{B}
Infest
Sorcery
All creatures get -2/-2 until end of turn.
{5}{R}{R}{R}
Insurrection
Sorcery
Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.
{2}{B}{B}
Josu Vess, Lich Knight
Legendary Creature - Zombie Knight
Kicker {5}{B} (You may pay an additional {5}{B} as you cast this spell.)
Menace
When Josu Vess, Lich Knight enters the battlefield, if it was kicked, create eight 2/2 black Zombie Knight creature tokens with menace.
4 /
5
{4}{B}{B}
Life's Finale
Sorcery
Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.
{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}{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
{3}{B}{R}
Master of Cruelties
Creature - Demon
First strike, deathtouch
Master of Cruelties can only attack alone.
Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.
1 /
4
{X}{R}{R}
Molten Disaster
Sorcery
Kicker {R} (You may pay an additional {R} as you cast this spell.)
If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Molten Disaster deals X damage to each creature without flying and each player.
--
Molten Slagheap
Land
{T}: Add {C}.
{1}, {T}: Put a storage counter on Molten Slagheap.
{1}, Remove X storage counters from Molten Slagheap: Add X mana in any combination of {B} and/or {R}.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{2}{B}{B}
Necrotic Ooze
Creature - Ooze
As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.
4 /
3
{1}{B}
Nightscape Familiar
Creature - Zombie
Blue spells and red spells you cast cost {1} less to cast.
{1}{B}: Regenerate Nightscape Familiar.
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
--
Opal Palace
Land
{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
{3}{B}{B}{B}{B}
Phthisis
Sorcery
Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5--{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)
{3}{B}{B}
Phyrexian Delver
Creature - Phyrexian Zombie
When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.
3 /
2
--
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}.
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{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}
Rise from the Grave
Sorcery
Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.
{7}{B}{B}
Rise of the Dark Realms
Sorcery
Put all creature cards from all graveyards onto the battlefield under your control.
{1}{B}{B}
Royal Assassin
Creature - Human Assassin
{T}: Destroy target tapped creature.
1 /
1
{2}{R}
Rush of Blood
Instant
Target creature gets +X/+0 until end of turn, where X is its power.
{2}{R}
Shattered Perception
Sorcery
Discard all the cards in your hand, then draw that many cards.
Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{5}{B}{B}
Sheoldred, Whispering One
Legendary Creature - Phyrexian Praetor
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature.
6 /
6
{1}{B}
Skirsdag High Priest
Creature - Human Cleric
Morbid -- {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.
1 /
2
{3}{B}{R}
Skull Rend
Sorcery
Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{B}{B}{B}
Sorin Markov
Legendary Planeswalker - Sorin
+2: Sorin Markov deals 2 damage to any target and you gain 2 life.
-3: Target opponent's life total becomes 10.
-7: You control target player during that player's next turn.
L:
4
{2}{B/R}{B/R}
Spiteful Visions
Enchantment
At the beginning of each player's draw step, that player draws an additional card.
Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.
{2}{R}{R}
Splinter Twin
Enchantment - Aura
Enchant creature
Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."
{1}{B}{B}
Sudden Spoiling
Instant
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{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}
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{B}{R}
Terminate
Instant
Destroy target creature. It can't be regenerated.
{2}{R}{R}
Terra Ravager
Creature - Elemental Beast
Whenever Terra Ravager attacks, it gets +X/+0 until end of turn, where X is the number of lands defending player controls.
0 /
4
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{B}{B}
Vampire Nighthawk
Creature - Vampire Shaman
Flying, deathtouch, lifelink
2 /
3
--
Vivid Crag
Land
Vivid Crag enters the battlefield tapped with two charge counters on it.
{T}: Add {R}.
{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.
--
Vivid Marsh
Land
Vivid Marsh enters the battlefield tapped with two charge counters on it.
{T}: Add {B}.
{T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.
{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.
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}
{2}{R}{R}
Wild Ricochet
Instant
You may choose new targets for target instant or sorcery spell. Then copy that spell. You may choose new targets for the copy.
{B}{B}
Withered Wretch
Creature - Zombie Cleric
{1}: Exile target card from a graveyard.
2 /
2
--
Demon
Token Creature - Demon
Black
Flying
5 /
5
--
Harpy
Token Creature - Harpy
Black
Flying
1 /
1
--
Harpy
Token Creature - Harpy
Black
Flying
1 /
1
--
Ob Nixilis Reignited Emblem
Emblem - Nixilis
Colorless
Whenever a player draws a card, you lose 2 life.
--
Zombie
Token Creature - Zombie
Black
2 /
2
--
Zombie
Token Creature - Zombie
Black
2 /
2
--
Zombie
Token Creature - Zombie
Black
2 /
2
--
Zombie
Token Creature - Zombie
Black
2 /
2
--
Zombie Knight
Token Creature - Zombie Knight
Black
Menace (This creature can't be blocked except by two or more creatures.)