Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{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}{B}{B}
Beseech the Mirror
Sorcery
Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.
{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.
{2}{B}
Black Market Connections
Enchantment
At the beginning of your precombat main phase, choose one or more --
• Sell Contraband -- Create a Treasure token. You lose 1 life.
• Buy Information -- Draw a card. You lose 2 life.
• Hire a Mercenary -- Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)
{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.
{1}{B}
Blood Artist
Creature - Vampire
Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.
0 /
1
{B}
Bloodchief Ascension
Enchantment
At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)
Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{B}
Bone Shards
Sorcery
As an additional cost to cast this spell, sacrifice a creature or discard a card.
Destroy target creature or planeswalker.
{1}{B}{B}
Braids, Arisen Nightmare
Legendary Creature - Nightmare
At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.
3 /
3
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
--
Castle Locthwain
Land
Castle Locthwain enters the battlefield tapped unless you control a Swamp.
{T}: Add {B}.
{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.
{B}
Champion of the Perished
Creature - Zombie
Whenever another Zombie enters the battlefield under your control, put a +1/+1 counter on Champion of the Perished.
1 /
1
{B}
Corrupted Conviction
Instant
As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.
{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
{B}{B}{B}
Dark Prophecy
Enchantment
Whenever a creature you control dies, you draw a card and you lose 1 life.
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{1}{B}
Deadly Dispute
Instant
As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{B}{B}
Death Baron
Creature - Zombie Wizard
Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.
2 /
2
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{1}{B}
Diabolic Intent
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.
{3}{B}{B}
Dictate of Erebos
Enchantment
Flash
Whenever a creature you control dies, each opponent sacrifices a creature.
{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.
{3}{B}{B}
Drivnod, Carnage Dominus
Legendary Creature - Phyrexian Horror
If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
{B/P}{B/P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod, Carnage Dominus. ({B/P} can be paid with either {B} or 2 life.)
8 /
3
{B}
Eaten Alive
Sorcery
As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}.
Exile target creature or planeswalker.
{1}{B}
Feed the Swarm
Sorcery
Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.
{2}{B}
Fell Stinger
Creature - Zombie Scorpion
Deathtouch
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Fell Stinger exploits a creature, target player draws two cards and loses 2 life.
3 /
2
{2}{B}
Fleshbag Marauder
Creature - Zombie Warrior
When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.
3 /
1
{1}{B}{B}{B}
Grave Pact
Enchantment
Whenever a creature you control dies, each other player sacrifices a 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
{1}{B}{B}
Grim Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.
{1}{B}
Jadar, Ghoulcaller of Nephalia
Legendary Creature - Human Wizard
At the beginning of your end step, if you control no creatures with decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)
1 /
1
{2}{B}
Liliana's Devotee
Creature - Human Warlock
Zombies you control get +1/+0.
At the beginning of your end step, if a creature died this turn, you may pay {1}{B}. If you do, create a 2/2 black Zombie creature token.
2 /
3
{4}{B}{B}
Liliana, Dreadhorde General
Legendary Planeswalker - Liliana
Whenever a creature you control dies, draw a card.
+1: Create a 2/2 black Zombie creature token.
-4: Each player sacrifices two creatures.
-9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.
L:
6
{3}{B}{B}
Lolth, Spider Queen
Legendary Planeswalker - Lolth
Whenever a creature you control dies, put a loyalty counter on Lolth, Spider Queen.
0: You draw a card and you lose 1 life.
-3: Create two 2/1 black Spider creature tokens with menace and reach.
-8: You get an emblem with "Whenever an opponent is dealt combat damage by one or more creatures you control, if that player lost less than 8 life this turn, they lose life equal to the difference."
L:
4
{2}{B}
Lord Skitter, Sewer King
Legendary Creature - Rat Noble
Whenever another Rat enters the battlefield under your control, exile up to one target card from an opponent's graveyard.
At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This creature can't block."
3 /
3
{3}{B}
Mirkwood Bats
Creature - Bat
Flying
Whenever you create or sacrifice a token, each opponent loses 1 life.
2 /
3
{2}{B}
Morbid Opportunist
Creature - Human Rogue
Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.
1 /
3
{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}
Nadier's Nightblade
Creature - Elf Warrior
Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.
1 /
3
--
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.)
{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
{3}
Phyrexian Altar
Artifact
Sacrifice a creature: Add one mana of any color.
{B}
Phyrexian Reclamation
Enchantment
{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.
--
Phyrexian Tower
Legendary Land
{T}: Add {C}.
{T}, Sacrifice a creature: Add {B}{B}.
{3}{B}
Pitiless Plunderer
Creature - Human Pirate
Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
1 /
4
{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
{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
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{1}{B}{B}
Stronghold Assassin
Creature - Phyrexian Zombie Assassin
{T}, Sacrifice a creature: Destroy target nonblack creature.
2 /
1
--
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}.)
{3}{B}{B}
Syr Konrad, the Grim
Legendary Creature - Human Knight
Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.
{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)
5 /
4
--
Takenuma, Abandoned Mire
Legendary Land
{T}: Add {B}.
Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.
{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}
Transmogrant's Crown
Artifact - Equipment
Equipped creature gets +2/+0.
Whenever equipped creature dies, draw a card.
Equip {2} or {B}
{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
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{2}{B}
Vashta Nerada
Creature - Alien Horror
Indestructible
Shadow (This creature can block or be blocked by only creatures with shadow.)
Morbid -- At the beginning of each end step, if a creature died this turn, put a +1/+1 counter on Vashta Nerada.
1 /
1
{B}
Vat of Rebirth
Artifact
Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on Vat of Rebirth.
{2}{B}, {T}, Remove four oil counters from Vat of Rebirth: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.
{B}
Village Rites
Instant
As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.
{5}{B}{B}{ // }{1}{B}
Virtue of Persistence // Locthwain Scorn
Enchantment // Sorcery - Adventure
At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.
Target creature gets -3/-3 until end of turn. You gain 2 life.
{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.)
1 /
1
{1}{B}
Vraan, Executioner Thane
Legendary Creature - Phyrexian Vampire
Whenever one or more other creatures you control die, each opponent loses 2 life and you gain 2 life. This ability triggers only once each turn.
2 /
2
{2}{B}
Wand of Orcus
Legendary Artifact - Equipment
Whenever equipped creature attacks or blocks, it and Zombies you control gain deathtouch until end of turn.
Whenever equipped creature deals combat damage to a player, create that many 2/2 black Zombie creature tokens.
Equip {3}
{2}
Weatherlight Compleated
Legendary Artifact - Vehicle
Flying
As long as Weatherlight Compleated has four or more phyresis counters on it, it's a Phyrexian creature in addition to its other types.
Whenever a creature you control dies, put a phyresis counter on Weatherlight Compleated. Then draw a card if it has seven or more phyresis counters on it. If it doesn't, scry 1.
5 /
5
{1}{B}
Wishclaw Talisman
Artifact
Wishclaw Talisman enters the battlefield with three wish counters on it.
{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.
{2}{B}
Woe Strider
Creature - Horror
When Woe Strider enters the battlefield, create a 0/1 white Goat creature token.
Sacrifice another creature: Scry 1.
Escape--{3}{B}{B}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Woe Strider escapes with two +1/+1 counters on it.
3 /
2
{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.
2 /
2
{2}{B}{B}
Yawgmoth, Thran Physician
Legendary Creature - Human Cleric
Protection from Humans
Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.
{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
2 /
4
{1}{B}
Zulaport Cutthroat
Creature - Human Rogue Ally
Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.
1 /
1
--
Faerie Rogue
Token Creature - Faerie Rogue
Black
Flying
1 /
1
--
Goat
Token Creature - Goat
White
0 /
1
--
Rat
Token Creature - Rat
Black
This creature can't block.
1 /
1
--
Shapeshifter
Token Creature - Shapeshifter
Colorless
Changeling (This token is every creature type.)
3 /
2
--
Snake
Token Creature - Snake
Black
Deathtouch
--
Zombie
Token Creature - Zombie
Black
--
Spider
Token Creature - Spider
Black
Menace, reach
2 /
1
--
Zombie
Token Creature - Zombie
Black
Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)