Flying

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.

You draw three cards and you lose 3 life.

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.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

Cycling {B} ({B}, Discard this card: Draw a card.)

{T}, Sacrifice Basal Thrull: Add {B}{B}.

When Bastion of Remembrance enters the battlefield, create a 1/1 white Human Soldier creature token.

Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Flash

Enchant creature

At the beginning of your upkeep, you lose 1 life.

{0}: Regenerate enchanted creature.

Flying

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

Flying

Whenever you gain life, put a +1/+1 counter on Bloodthirsty Aerialist.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

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.

Target player sacrifices a creature. You gain life equal to that creature's toughness.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

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

Target player sacrifices half the permanents they control, rounded down.

Suspend 2--{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

At the beginning of each player's upkeep, if Curse of the Cabal is suspended, that player may sacrifice a permanent. If the player does, put two time counters on Curse of the Cabal.

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

Whenever another creature dies, you may gain 1 life.

Flying

Whenever you gain life, target opponent loses that much life.

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

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

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.

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

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

Create X tapped 2/2 black Zombie creature tokens.

Enchant creature

You control enchanted creature.

At the beginning of your upkeep, enchanted creature deals 1 damage to its owner.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

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.)

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever another nontoken creature you control dies, draw a card.

Guardian Idol enters the battlefield tapped.

{T}: Add {C}.

{2}: Guardian Idol becomes a 2/2 Golem artifact creature until end of turn.

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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.)

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.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

{1}, {T}: Put a charge counter on Jeweled Amulet. Note the type of mana spent to pay this activation cost. Activate only if there are no charge counters on Jeweled Amulet.

{T}, Remove a charge counter from Jeweled Amulet: Add one mana of Jeweled Amulet's last noted type.

Whenever you gain life, each opponent loses 1 life.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Cast this spell only during your end step.

As an additional cost to cast this spell, pay X life.

Draw X cards.

When Netherborn Phalanx enters the battlefield, each opponent loses 1 life for each creature they control.

Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then then shuffle. Transmute only as a sorcery.)

Oathsworn Vampire enters the battlefield tapped.

You may cast Oathsworn Vampire from your graveyard if you gained life this turn.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.

Rats you control have deathtouch.

Deathtouch

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Flying

When Overseer of the Damned enters the battlefield, you may destroy target creature.

Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.

As Paradise Plume enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, you may gain 1 life.

{T}: Add one mana of the chosen color.

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.

{T}: Add {C}. You gain 1 life.

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.)

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.)

Scry 2, then draw two cards. You lose 2 life.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

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

• Target creature gets +1/+0 and gains deathtouch until end of turn.

• Each opponent loses 1 life and you gain 1 life.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.

Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life.

Suspend X--{X}{B}{B}{B}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{B}{B}{B} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever a time counter is removed from Roiling Horror while it's exiled, target player loses 1 life and you gain 1 life.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

When Sengir Autocrat enters the battlefield, create three 0/1 black Serf creature tokens.

When Sengir Autocrat leaves the battlefield, exile all Serf tokens.

Enchant creature

Enchanted creature has "{B}: This creature gets +1/+1 until end of turn."

When enchanted creature dies, return that card to the battlefield under your control.

Target player draws two cards and loses 2 life.

Strive -- This spell costs {2}{B} more to cast for each target beyond the first.

Exile any number of target creatures and all Auras attached to them.

At the beginning of your end step, if you gained 3 or more life this turn, return Silversmote Ghoul from your graveyard to the battlefield tapped.

{1}{B}, Sacrifice Silversmote Ghoul: Draw a card.

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

Star Compass enters the battlefield tapped.

{T}: Add one mana of any color that a basic land you control could produce.

{B}{B}, Pay 2 life, Sacrifice a Swamp: Return target creature card from your graveyard to the battlefield.

({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}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

At the beginning of each player's end step, if no creatures died this turn, Titan Hunter deals 4 damage to that player.

{1}{B}, Sacrifice a creature: You gain 4 life.

Enchant land

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

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

{T}: Add {C}.

{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

Flying, deathtouch, lifelink

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.