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
{3}{B}{B}
Ad Nauseam
Instant
Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.
{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.
* /
*
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{1}{B}{B}
Bontu's Last Reckoning
Sorcery
Destroy all creatures. Lands you control don't untap during your next untap step.
{B}
Bubbling Muck
Sorcery
Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
{1}{B}
Cabal Ritual
Instant
Add {B}{B}{B}.
Threshold -- Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.
{2}{B}
Cartouche of Ambition
Enchantment - Aura Cartouche
Enchant creature you control
When Cartouche of Ambition enters the battlefield, you may put a -1/-1 counter on target creature.
Enchanted creature gets +1/+1 and has lifelink.
{5}{B}
Corrupt
Sorcery
Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.
{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
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{3}
Darksteel Plate
Artifact - Equipment
Indestructible
Equipped creature has indestructible.
Equip {2}
{1}{B}{B}
Dead Reckoning
Sorcery
You may put target creature card from your graveyard on top of your library. If you do, Dead Reckoning deals damage equal to that card's power to target creature.
{5}{B}{B}
Defiant Bloodlord
Creature - Vampire
Flying
Whenever you gain life, target opponent loses that much life.
4 /
5
{2}
Demon's Horn
Artifact
Whenever a player casts a black spell, you may gain 1 life.
{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
{1}
Elixir of Immortality
Artifact
{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.
{0}
Everflowing Chalice
Artifact
Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on Everflowing Chalice.
{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.
{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}
Hour of Glory
Instant
Exile target creature. If that creature was a God, its controller reveals their hand and exiles all cards from it with the same name as that creature.
{4}
Lashwrithe
Artifact - Equipment
Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/+1 for each Swamp you control.
Equip {B/P}{B/P} ({B/P} can be paid with either {B} or 2 life.)
--
Leechridden Swamp
Land - Swamp
({T}: Add {B}.)
Leechridden Swamp enters the battlefield tapped.
{B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.
{2}{B}{B}
Liliana's Shade
Creature - Shade
When Liliana's Shade enters the battlefield, you may search your library for a Swamp card, reveal it, put it into your hand, then shuffle.
{B}: Liliana's Shade gets +1/+1 until end of turn.
1 /
1
{4}{B}
Magus of the Coffers
Creature - Human Wizard
{2}, {T}: Add {B} for each Swamp you control.
4 /
4
{1}{B}{B}
Maralen of the Mornsong
Legendary Creature - Elf Wizard
Players can't draw cards.
At the beginning of each player's draw step, that player loses 3 life, searches their library for a card, puts it into their hand, then shuffles.
2 /
3
{3}{B}{B}{B}
Midnight Banshee
Creature - Spirit
Wither (This deals damage to creatures in the form of -1/-1 counters.)
At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.
5 /
5
{2}
Mindcrank
Artifact
Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)
{3}
Mirage Mirror
Artifact
{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.
--
Mortuary Mire
Land
Mortuary Mire enters the battlefield tapped.
When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.
{T}: Add {B}.
{1}{B}{B}
Murder
Instant
Destroy target creature.
{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.
{1}{B}
Nezumi Graverobber
Creature - Rat Rogue
{1}{B}: Exile target card from an opponent's graveyard. If no cards are in that graveyard, flip Nezumi Graverobber.
2 /
1
--
Nighteyes the Desecrator
Legendary Creature - Rat Wizard
{4}{B}: Put target creature card from a graveyard onto the battlefield under your control.
2 /
1
{5}{B}
Nightmare
Creature - Nightmare Horse
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.
* /
*
{5}{B}
Nightmare Incursion
Sorcery
Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles.
{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
{3}{B}{B}
Painful Quandary
Enchantment
Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.
{4}
Quicksilver Amulet
Artifact
{4}, {T}: You may put a creature card from your hand onto the battlefield.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{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.
{3}{B}{B}
Sanguine Bond
Enchantment
Whenever you gain life, target opponent loses that much life.
{1}{B}
Sickening Dreams
Sorcery
As an additional cost to cast this spell, discard X cards.
Sickening Dreams deals X damage to each creature and each player.
{4}{B}
Skirge Familiar
Creature - Phyrexian Imp
Flying
Discard a card: Add {B}.
3 /
2
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{0}
Spellbook
Artifact
You have no maximum hand size.
{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.
{X}{B}
Suffer the Past
Instant
Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.
--
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}.)
--
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}.)
--
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}.)
{B}{B}{B}{B}
Temporal Extortion
Sorcery
When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion.
Take an extra turn after this one.
{4}{B}{B}
Thief of Blood
Creature - Vampire
Flying
As Thief of Blood enters the battlefield, remove all counters from all permanents. Thief of Blood enters the battlefield with a +1/+1 counter on it for each counter removed this way.
1 /
1
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{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.
{3}{B}
Torment of Scarabs
Enchantment - Aura Curse
Enchant player
At the beginning of enchanted player's upkeep, that player loses 3 life unless they sacrifice a nonland permanent or discard a card.
{2}{B}{B}
Torment of Venom
Instant
Put three -1/-1 counters on target creature. Its controller loses 3 life unless they sacrifice another nonland permanent or discards a card.
{B}
Tragic Slip
Instant
Target creature gets -1/-1 until end of turn.
Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.
{3}{B}
Tree of Perdition
Creature - Plant
Defender
{T}: Exchange target opponent's life total with Tree of Perdition's toughness.
0 /
13
{1}{B}
Trial of Ambition
Enchantment
When Trial of Ambition enters the battlefield, target opponent sacrifices a creature.
When a Cartouche enters the battlefield under your control, return Trial of Ambition to its owner's hand.
--
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
{2}{B}{B}
Whip of Erebos
Legendary Enchantment Artifact
Creatures you control have lifelink.
{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.
{2}{B}
Yahenni, Undying Partisan
Legendary Creature - Aetherborn Vampire
Haste
Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.
Sacrifice another creature: Yahenni gains indestructible until end of turn.