Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.

Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

{T}: Add {B} or {R}.

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.)

Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {B} or {R}.

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.

({T}: Add {B} or {R}.)

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Nonbasic lands are Mountains.

Bojuka Bog enters tapped.

When Bojuka Bog enters, exile target player's graveyard.

{T}: Add {B}.

Target player discards two cards. That player may copy this spell and may choose a new target for that copy.

Target player sacrifices a creature.

Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Charcoal Diamond enters tapped.

{T}: Add {B}.

Coldsteel Heart enters the battlefield tapped.

As Coldsteel Heart enters the battlefield, choose a color.

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

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

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.

Add {B}{B}{B}.

Search your library for a card, put that card into your hand, then shuffle.

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.

Destroy target creature. It can't be regenerated. You lose life equal to that creature's toughness.

Search your library for a card, put that card into your hand, then shuffle.

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

Target creature gets -5/-5 until end of turn.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

{T}: Add {B} or {R}.

Destroy target creature or planeswalker.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

Target player sacrifices a creature and loses 1 life.

{T}: Add {C}.

{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

Destroy target creature or planeswalker.

Target player discards two cards at random.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

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

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Lavaclaw Reaches enters the battlefield tapped.

{T}: Add {B} or {R}.

{1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

Whenever a creature enters the battlefield, destroy it.

{0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability.

+1: Target player discards a card.

-2: Search your library for a card, then shuffle and put that card on top.

-8: Put all creature cards from all graveyards onto the battlefield under your control.

Nonbasic lands are Mountains.

First strike, deathtouch

Master of Cruelties can only attack alone.

Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.

Target player discards X cards at random.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings.

{2}{B}{B}, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.

You draw two cards and you lose 2 life.

Whenever a creature deals damage to you, destroy it.

{4}, {T}: Put a fate counter on target permanent.

{5}, {T}, Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

When Phage the Untouchable enters the battlefield, if you didn't cast it from your hand, you lose the game.

Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated.

Whenever Phage deals combat damage to a player, that player loses the game.

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

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

{1}, {T}: Add {B}{R}.

Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.

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

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Destroy target artifact.

Target player draws two cards and loses 2 life.

At the beginning of each end step, each player discards their hand.

At the beginning of your upkeep, you may put a soot counter on Smokestack.

At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.

Destroy target nonblack creature. It can't be regenerated.

+2: Sorin Markov deals 2 damage to any target and you gain 2 life.

-3: Target opponent's life total becomes 10.

-7: You control target player during that player's next turn.

Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.

Star Compass enters tapped.

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

Target opponent discards a card at random, then discards a card.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Target creature gets -4/-4 until end of turn.

{T}: Add {C}.

{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({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}.)

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

{T}: Add {C}.

{T}: Add {B} or {R}. Activate only if you control a Swamp.

{T}: Add {C}.

{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

Temple of Malice enters the battlefield tapped.

When Temple of Malice enters the battlefield, scry 1.

{T}: Add {B} or {R}.

Destroy target creature. It can't be regenerated.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

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

All creatures get -X/-X until end of turn.

Tresserhorn Sinks enters the battlefield tapped.

{T}: Add {B} or {R}.

Enchant land

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

You may exile a black card from your hand rather than pay this spell's mana cost.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Veinfire Borderpost enters the battlefield tapped.

{T}: Add {B} or {R}.

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

Worn Powerstone enters the battlefield tapped.

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