You can't win the game and your opponents can't lose the game.
6 /
6
{2}{B}
Ammit Eternal
Creature - Zombie Crocodile Demon
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on Ammit Eternal.
Whenever Ammit Eternal deals combat damage to a player, remove all -1/-1 counters from it.
5 /
5
--
Ancient Tomb
Land
{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
{B}{B}{B}
Ayara, First of Locthwain
Legendary Creature - Elf Noble
Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.
{T}, Sacrifice another black creature: Draw a card.
2 /
3
{1}{B}
Bitterblossom
Tribal Enchantment - Faerie
At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.
{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
{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}.
{1}{B}
Butcher Ghoul
Creature - Zombie
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.)
1 /
1
{B}
Carrion Feeder
Creature - Zombie
Carrion Feeder can't block.
Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.
1 /
1
{2}{B}{B}{B}
Cavalier of Night
Creature - Elemental Knight
Lifelink
When Cavalier of Night enters the battlefield, you may sacrifice another creature. When you do, destroy target creature an opponent controls.
When Cavalier of Night dies, return target creature card with mana value 3 or less from your graveyard to the battlefield.
4 /
5
--
Cavern of Souls
Land
As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
{1}{B}
Collective Brutality
Sorcery
Escalate--Discard a card. (Pay this cost for each mode chosen beyond the first.)
Choose one or more --
• Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card.
• Target creature gets -2/-2 until end of turn.
• Target opponent loses 2 life and you gain 2 life.
--
Command Beacon
Land
{T}: Add {C}.
{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.
{2}{B}
Contamination
Enchantment
At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.
If a land is tapped for mana, it produces {B} instead of any other type and amount.
{B}
Culling the Weak
Instant
As an additional cost to cast this spell, sacrifice a creature.
Add {B}{B}{B}{B}.
{2}{B}{B}
Damnation
Sorcery
Destroy all creatures. They can't be regenerated.
{1}{B}
Dark Confidant
Creature - Human Wizard
At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.
2 /
1
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{2}{B}{B}
Demon of Catastrophes
Creature - Demon
As an additional cost to cast this spell, sacrifice a creature.
Flying, trample
6 /
6
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{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}{B/P}{B/P}
Dismember
Instant
({B/P} can be paid with either {B} or 2 life.)
Target creature gets -5/-5 until end of turn.
{B}
Dread Wanderer
Creature - Zombie Jackal
Dread Wanderer enters the battlefield tapped.
{2}{B}: Return Dread Wanderer from your graveyard to the battlefield. Activate only as a sorcery and only if you have one or fewer cards in hand.
2 /
1
{1}{B}
Dreadhorde Invasion
Enchantment
At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.
{B}
Duress
Sorcery
Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.
{B}
Fatal Push
Instant
Destroy target creature if it has mana value 2 or less.
Revolt -- Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.
{2}{B}
Fleshbag Marauder
Creature - Zombie Warrior
When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.
3 /
1
{B}{B}{B}
Geralf's Messenger
Creature - Zombie
Geralf's Messenger enters the battlefield tapped.
When Geralf's Messenger enters the battlefield, target opponent loses 2 life.
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.)
3 /
2
{B}{B}
Gifted Aetherborn
Creature - Aetherborn Vampire
Deathtouch, lifelink
2 /
3
{1}{B}
Go for the Throat
Instant
Destroy target nonartifact creature.
{B}
Gravecrawler
Creature - Zombie
Gravecrawler can't block.
You may cast Gravecrawler from your graveyard as long as you control a Zombie.
2 /
1
{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
{6}{B}
Gurmag Angler
Creature - Zombie Fish
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
5 /
5
{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
{1}{B}{B}
Hero's Downfall
Instant
Destroy target creature or planeswalker.
{B}{B}
Hymn to Tourach
Sorcery
Target player discards two cards at random.
{3}{B}
Ichorid
Creature - Horror
Haste
At the beginning of the end step, sacrifice Ichorid.
At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.
3 /
1
{B}
Inquisition of Kozilek
Sorcery
Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.
{2}{B}{B}
Kalitas, Traitor of Ghet
Legendary Creature - Vampire Warrior
Lifelink
If a nontoken creature an opponent controls would die, instead exile that card and create a 2/2 black Zombie creature token.
{2}{B}, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas, Traitor of Ghet.
3 /
4
{1}{B}{B}
Liliana of the Veil
Legendary Planeswalker - Liliana
+1: Each player discards a card.
-2: Target player sacrifices a creature.
-6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.
L:
3
{1}{B}{B}
Liliana, Heretical Healer
Legendary Creature - Human Cleric
Lifelink
Whenever another nontoken creature you control dies, exile Liliana, Heretical Healer, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.
2 /
3
--
Liliana, Defiant Necromancer
Legendary Planeswalker - Liliana
+2: Each player discards a card.
-X: Return target nonlegendary creature card with mana value X from your graveyard to the battlefield.
-8: You get an emblem with "Whenever a creature dies, return it to the battlefield under your control at the beginning of the next end step."
2 /
3
{1}{B}{B}
Liliana, the Last Hope
Legendary Planeswalker - Liliana
+1: Up to one target creature gets -2/-1 until your next turn.
-2: Mill two cards, then you may return a creature card from your graveyard to your hand.
-7: You get an emblem with "At the beginning of your end step, create X 2/2 black Zombie creature tokens, where X is two plus the number of Zombies you control."
L:
3
{3}{B}
Marsh Flitter
Creature - Faerie Rogue
Flying
When Marsh Flitter enters the battlefield, create two 1/1 black Goblin Rogue creature tokens.
Sacrifice a Goblin: Marsh Flitter has base power and toughness 3/3 until end of turn.
1 /
1
{2}{B}
Midnight Reaper
Creature - Zombie Knight
Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.
3 /
2
{X}{B}
Mind Twist
Sorcery
Target player discards X cards at random.
{4}{B}
Murderous Cut
Instant
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target creature.
{1}{B}{B}{ // }{1}{B}{B}
Murderous Rider // Swift End
Creature - Zombie Knight // Instant - Adventure
Lifelink
When Murderous Rider dies, put it on the bottom of its owner's library.
Destroy target creature or planeswalker. You lose 2 life. (Then exile this card. You may cast the creature later from exile.)
2 /
3
{2}{B}
Nantuko Husk
Creature - Zombie Insect
Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.
2 /
2
{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
--
Nykthos, Shrine to Nyx
Legendary Land
{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
--
Phyrexian Tower
Legendary Land
{T}: Add {C}.
{T}, Sacrifice a creature: Add {B}{B}.
{2}{B}
Plaguecrafter
Creature - Human Shaman
When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.
3 /
2
{1}{B}
Putrid Goblin
Creature - Zombie Goblin
Persist (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.)
2 /
2
{2}{B}{B}
Rankle, Master of Pranks
Legendary Creature - Faerie Rogue
Flying, haste
Whenever Rankle, Master of Pranks deals combat damage to a player, choose any number --
• Each player discards a card.
• Each player loses 1 life and draws a card.
• Each player sacrifices a creature.
3 /
3
{B}
Reanimate
Sorcery
Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.
{B}{B}
Relentless Dead
Creature - Zombie
Menace (This creature can't be blocked except by two or more creatures.)
When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand.
When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.
2 /
2
{2}{B}
Rotting Regisaur
Creature - Zombie Dinosaur
At the beginning of your upkeep, discard a card.
7 /
6
{2}
Scrapheap Scrounger
Artifact Creature - Construct
Scrapheap Scrounger can't block.
{1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the battlefield.
3 /
2
{4}{B}
Shriekmaw
Creature - Elemental
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.
Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
3 /
2
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{2}{B}{B}
Spawn of Mayhem
Creature - Demon
Spectacle {1}{B}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
Flying, trample
At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.
4 /
4
--
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}
Thoughtseize
Sorcery
Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.
{2}{B}
Toxic Deluge
Sorcery
As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.
{2}
Umezawa's Jitte
Legendary Artifact - Equipment
Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.
Remove a charge counter from Umezawa's Jitte: Choose one --
• Equipped creature gets +2/+2 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You gain 2 life.
Equip {2}
{B}
Unearth
Sorcery
Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{1}{B}{B}
Vampire Nighthawk
Creature - Vampire Shaman
Flying, deathtouch, lifelink
2 /
3
{B}
Viscera Seer
Creature - Vampire Wizard
Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
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.
2 /
2
{B}{B}
Despoiler of Souls
Creature - Horror
Despoiler of Souls can't block.
{B}{B}, Exile two other creature cards from your graveyard: Return Despoiler of Souls from your graveyard to the battlefield.
3 /
1
{1}{B}
Doomed Dissenter
Creature - Human
When Doomed Dissenter dies, create a 2/2 black Zombie creature token.
1 /
1
{B}{B}
Graveyard Marshal
Creature - Zombie Soldier
{2}{B}, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token.
3 /
2
{1}{B}
Lazotep Reaver
Creature - Zombie Beast
When Lazotep Reaver enters the battlefield, amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
1 /
2
{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.
{2}{B}
Merciless Executioner
Creature - Orc Warrior
When Merciless Executioner enters the battlefield, each player sacrifices a creature.
3 /
1
{B}{B}{B}{B}
Phyrexian Obliterator
Creature - Phyrexian Horror
Trample
Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.
5 /
5
{3}{B}
Sling-Gang Lieutenant
Creature - Goblin
When Sling-Gang Lieutenant enters the battlefield, create two 1/1 red Goblin creature tokens.
Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.
1 /
1
{B}{B}
Undead Augur
Creature - Zombie Wizard
Whenever Undead Augur or another Zombie you control dies, you draw a card and you lose 1 life.
2 /
2
{1}{B}
Wall of Souls
Creature - Wall
Defender (This creature can't attack.)
Whenever Wall of Souls is dealt combat damage, it deals that much damage to target opponent or planeswalker.