At the beginning of each player's draw step, that player draws an additional card, then discards a card.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{1}{B}{B}
Arterial Flow
Sorcery
Each opponent discards two cards. If you control a Vampire, each opponent loses 2 life and you gain 2 life.
{B}
Blood Pet
Creature - Thrull
Sacrifice Blood Pet: Add {B}.
1 /
1
{1}{B}{B}
Bottomless Pit
Enchantment
At the beginning of each player's upkeep, that player discards a card at random.
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
{6}{B}
Cabal Conditioning
Sorcery
Any number of target players each discard a number of cards equal to the highest mana value among permanents 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.
--
Cabal Stronghold
Land
{T}: Add {C}.
{3}, {T}: Add {B} for each basic Swamp you control.
{2}
Charcoal Diamond
Artifact
Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.
{3}{B}
Creeping Dread
Enchantment
At the beginning of your upkeep, each player discards a card. Each opponent who discarded a card that shares a card type with the card you discarded loses 3 life. (Players reveal the discarded cards simultaneously.)
{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}
Cunning Lethemancer
Creature - Human Wizard
At the beginning of your upkeep, each player discards a card.
2 /
2
{2}{B}{B}
Damnation
Sorcery
Destroy all creatures. They can't be regenerated.
{2}{B}
Dark Deal
Sorcery
Each player discards all the cards in their hand, then draws that many cards minus one.
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{2}{B}
Dead of Winter
Sorcery
All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.
{2}{B}
Delirium Skeins
Sorcery
Each player discards three cards.
{2}{B}
Demon's Disciple
Creature - Human Cleric
When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.
3 /
1
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{1}{B}{B}
Desolation
Enchantment
At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.
{2}{B}
Dreamstealer
Creature - Human Wizard
Menace
Whenever Dreamstealer deals combat damage to a player, that player discards that many cards.
Eternalize {4}{B}{B} ({4}{B}{B}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Wizard with no mana cost. Eternalize only as a sorcery.)
1 /
2
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{X}{B}{B}
Exsanguinate
Sorcery
Each opponent loses X life. You gain life equal to the life lost this way.
{3}
Extraplanar Lens
Artifact
Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.
Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}{B}
Fleshbag Marauder
Creature - Zombie Warrior
When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.
3 /
1
{1}{B}{B}
Force of Despair
Instant
If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost.
Destroy all creatures that entered the battlefield this turn.
{4}
Geth's Grimoire
Artifact
Whenever an opponent discards a card, you may draw a card.
{4}{B}{B}
Gibbering Descent
Enchantment
At the beginning of each player's upkeep, that player loses 1 life and discards a card.
Hellbent -- Skip your upkeep step if you have no cards in hand.
Madness {2}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
{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.
{2}
Jet Medallion
Artifact
Black spells you cast cost {1} less to cast.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{1}
Mana Vault
Artifact
Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.
{5}
Memory Jar
Artifact
{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.
{2}{B}
Merciless Executioner
Creature - Orc Warrior
When Merciless Executioner enters the battlefield, each player sacrifices a creature.
3 /
1
{2}{B}
Mind Rake
Sorcery
Target player discards two cards.
Overload {1}{B} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
{2}{B}{B}
Mindslicer
Creature - Horror
When Mindslicer dies, each player discards their hand.
4 /
3
{2}{B}{B}
Mutilate
Sorcery
All creatures get -1/-1 until end of turn for each Swamp you control.
{5}{B}{B}{B}
Myojin of Night's Reach
Legendary Creature - Spirit
Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand.
Myojin of Night's Reach has indestructible as long as it has a divinity counter on it.
Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.
5 /
2
{2}{B}
Necrogen Mists
Enchantment
At the beginning of each player's upkeep, that player discards a card.
{B}{B}{B}
Necropotence
Enchantment
Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.
{1}{B}{B}
Oppression
Enchantment
Whenever a player casts a spell, that player discards a card.
{2}{B}
Overeager Apprentice
Creature - Human Minion
Discard a card, Sacrifice Overeager Apprentice: Add {B}{B}{B}.
1 /
2
{3}{B}{B}
Painful Quandary
Enchantment
Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.
{1}{B}{B}
Phyrexian Arena
Enchantment
At the beginning of your upkeep, you draw a card and you lose 1 life.
{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
{B}
Quest for the Nihil Stone
Enchantment
Whenever an opponent discards a card, you may put a quest counter on Quest for the Nihil Stone.
At the beginning of each opponent's upkeep, if that player has no cards in hand and Quest for the Nihil Stone has two or more quest counters on it, you may have that player lose 5 life.
{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
{2}{B}{B}
Sangromancer
Creature - Vampire Shaman
Flying
Whenever a creature an opponent controls dies, you may gain 3 life.
Whenever an opponent discards a card, you may gain 3 life.
3 /
3
{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
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{B}
Soul Shatter
Instant
Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.
{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}
{3}{B}
Syphon Mind
Sorcery
Each other player discards a card. You draw a card for each card discarded this way.
{5}{B}
Tasigur's Cruelty
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Each opponent discards two cards.
{3}{B}{B}
Tergrid, God of Fright
Legendary Creature - God
Menace
Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.
4 /
5
--
Tergrid's Lantern
Legendary Artifact
{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.
{3}{B}: Untap Tergrid's Lantern.
4 /
5
{1}{B}
Tinybones, Trinket Thief
Legendary Creature - Skeleton Rogue
At the beginning of each end step, if an opponent discarded a card this turn, you draw a card and you lose 1 life.
{4}{B}{B}: Each opponent with no cards in hand loses 10 life.
1 /
2
{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.
{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.
{3}{B}
Unnerve
Sorcery
Each opponent discards two cards.
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{B}
Vicious Rumors
Sorcery
Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.
{1}{B}
Waste Not
Enchantment
Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card.
{2}{B}
Words of Waste
Enchantment
{1}: The next time you would draw a card this turn, each opponent discards a card instead.