At the beginning of your precombat main phase, add {B} for each charge counter on Altar of Shadows.

{7}, {T}: Destroy target creature. Then put a charge counter on Altar of Shadows.

You draw three cards and you lose 3 life.

You draw three cards and you lose 3 life.

{T}: Add one mana of any color in your commander's color identity.

Whenever Audacious Thief attacks, you draw a card and you lose 1 life.

You draw two cards and each opponent discards two cards. Each player loses 2 life.

At the beginning of each upkeep, you draw a card and you lose 1 life.

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}.

{3}, {T}: Add {B} for each basic Swamp you control.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

Spend only black mana on X.

Consume Spirit deals X damage to any target and you gain X life.

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

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}.

Dakmor Sorceress's power is equal to the number of Swamps you control.

Target player draws X cards and loses X life.

Destroy all creatures. They can't be regenerated.

If an opponent controls a Forest and you control a Swamp, you may cast this spell without paying its mana cost.

{B}: Deepwood Legate gets +1/+1 until end of turn.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Menace

As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost {B} less to cast if you paid life this way. This effect reduces only the amount of black mana you pay.

Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.

{3}, {T}: Double the amount of each type of unspent mana you have.

Whenever a Swamp enters the battlefield under your control, choose one --

• You draw a card and you lose 1 life.

• Dread Presence deals 2 damage to any target and you gain 2 life.

Destroy X target nonblack creatures. Draw X cards.

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

{B}: Evolved Sleeper becomes a Human Cleric with base power and toughness 2/2.

{1}{B}: If Evolved Sleeper is a Cleric, put a deathtouch counter on it and it becomes a Phyrexian Human Cleric with base power and toughness 3/3.

{1}{B}{B}: If Evolved Sleeper is a Phyrexian, put a +1/+1 counter on it, then you draw a card and you lose 1 life.

As Gauntlet of Power enters the battlefield, choose a color.

Creatures of the chosen color get +1/+1.

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Enchant Swamp

{2}: Until end of turn, enchanted Swamp becomes a 2/2 black Spirit creature with "{B}: This creature gets +1/+1 until end of turn." It's still a land.

When enchanted Swamp is put into a graveyard, you may return Genju of the Fens from your graveyard to your hand.

Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card.

{4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.

Whenever you draw your second card each turn, each opponent loses 2 life and you gain 2 life.

When Gixian Puppeteer dies, return another target creature card with mana value 3 or less from your graveyard to the battlefield.

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.)

You lose 2 life and draw two cards, then clash with an opponent. If you win, repeat this process. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Black spells you cast cost {1} less to cast.

({B/P} can be paid with either {B} or 2 life.)

Lifelink

For each {B} in a cost, you may pay 2 life rather than pay that mana.

Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Kagemaro, First to Suffer's power and toughness are each equal to the number of cards in your hand.

{B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

Korlash, Heir to Blackblade's power and toughness are each equal to the number of Swamps you control.

{1}{B}: Regenerate Korlash.

Grandeur -- Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.

Flying

Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

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.)

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

-3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.

-6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

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.

{2}, {T}: Add {B} for each Swamp you control.

As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way.

March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life.

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip {3}

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.

All creatures get -1/-1 until end of turn for each Swamp you control.

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.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{B}: Nantuko Shade gets +1/+1 until end of turn.

Search target player's library for X cards, where X is the number of cards in your hand, and exile them. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

You draw two cards and you lose 2 life.

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.

Equipped creature gets +1/+1 for each Swamp you control.

Equip--Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Whenever you tap a Swamp for mana, add an additional {B}.

{B}: Nirkana Revenant gets +1/+1 until end of turn.

{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.)

Nyx Lotus enters the battlefield tapped.

{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.)

+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."

Each player may bid life. You start the bidding with a bid of any number. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and draws four cards.

Destroy target creature. You draw X cards and you lose X life, where X is the number of counters on that creature.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Cumulative upkeep {B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of your end step, draw a card for each age counter on Phyrexian Etchings.

When Phyrexian Etchings is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.

When Phyrexian Gargantua enters the battlefield, you draw two cards and you lose 2 life.

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

Flying

Dynastic Advisor -- When Plasmancer enters the battlefield, search your library for a basic Swamp card, reveal it, put it into your hand, then shuffle.

Choose one --

• You draw five cards and you lose 5 life.

• Create an X/X black Demon creature token with flying, where X is the number of cards in your hand.

Entwine {4} (Choose both if you pay the entwine cost.)

Enchant creature

Enchanted creature gets -1/-1 for each Swamp you control.

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.

You have no maximum hand size.

{T}: Add {C}.

You draw X cards and you lose X life, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

Target player draws two cards and loses 2 life.

{T}: Add {C}{C}.

Squelching Leeches's power and toughness are each equal to the number of Swamps you control.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Each other player discards a card. You draw a card for each card discarded this way.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Each opponent discards two cards.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

You have no maximum hand size.

{T}: Add {C}.

Enchant land

Enchanted land has "{T}, Pay 1 life: Draw a card."

Each opponent discards two cards.

Each land is a Swamp in addition to its other land types.

Flying

{B}, Pay 2 life: Target creature gets -1/-1 until end of turn.

Whenever you lose life, draw that many cards. (Damage causes loss of life.)