Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

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

{T}: Add {B} or {R}. {B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

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

Flying Whenever Balor attacks or dies, choose one or more. Each mode must target a different player. • Target opponent draws three cards, then discards three cards at random. • Target opponent sacrifices a nontoken artifact. • Balor deals damage to target opponent equal to the number of cards in their hand.

Menace Equipped creature has base power and toughness 5/5, has menace, and is a black Demon in addition to its other colors and types. Reconfigure {2}{B}{B} ({2}{B}{B}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Whenever you sacrifice another creature, put a +1/+1 counter on Body Dropper. {B}{R}, Sacrifice another creature: Body Dropper gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Menace Goaded creatures your opponents control can't block. Whenever you cast a noncreature spell, goad target creature an opponent controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Changeling (This card is every creature type.) As long as a creature card with flying is in a graveyard, Cairn Wanderer has flying. The same is true for fear, first strike, double strike, deathtouch, haste, landwalk, lifelink, protection, reach, trample, shroud, and vigilance.

Trample, haste Alliance — Whenever another creature enters the battlefield under your control, double Devilish Valet's power until end of turn.

When Dreadhound enters the battlefield, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

Trample, myriad As long as Elturel Survivors is attacking, it gets +X/+0, where X is the number of lands defending player controls.

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens. {B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

Haste Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

{B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

Whenever Hoard Robber deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) {1}, Sacrifice another creature: Put a +1/+1 counter on Hobblefiend.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

Flying Whenever a creature card is put into an opponent's graveyard from anywhere, you may pay life equal to its mana value. If you do, put it onto the battlefield under your control. It's a Warlock in addition to its other types. If a Warlock you control would die, exile it instead.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.

Flying, trample Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Trample Whenever another creature dies, put a +1/+1 counter on Orca, Siege Demon. When Orca dies, it deals damage equal to its power divided as you choose among any number of targets.

Flying, trample When Orcus, Prince of Undeath enters the battlefield, choose one — • Each other creature gets -X/-X until end of turn. You lose X life. • Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

Flying, trample When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

When Shadowgrange Archfiend enters the battlefield, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way. Madness—{2}{B}, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

As long as it's your turn, Spiteful Prankster has first strike. Whenever another creature dies, Spiteful Prankster deals 1 damage to target player or planeswalker.

Flying Taborax, Hope's Demise has lifelink as long as it has five or more +1/+1 counters on it. Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.

Flying, trample As Tyrannical Pitlord enters the battlefield, choose another creature you control. The chosen creature gets +3/+3 and has flying. When Tyrannical Pitlord leaves the battlefield, sacrifice the chosen creature.

Flying Toxic Spores — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, each opponent loses 3 life.

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."

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

If a creature you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

When Liliana's Contract enters the battlefield, you draw four cards and you lose 4 life. At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.

Creatures you control have double strike.

At the beginning of your upkeep, exile the top card of your library. During your turn, if an opponent lost life this turn, you may play lands and cast spells from among cards exiled with Theater of Horrors. {3}{R}: Theater of Horrors deals 1 damage to target opponent or planeswalker.

Destroy target artifact, creature, or planeswalker.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Create two 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

Add {B}{B}{B}.

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.")

Demon Bolt deals 4 damage to target creature or planeswalker. Foretell {R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Exile target creature. Until the end of your next turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Lightning Bolt deals 3 damage to any target.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Black Dragon Gate enters the battlefield tapped. As Black Dragon Gate enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

({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.

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

Cliffgate enters the battlefield tapped. As Cliffgate enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

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

As you create your deck, circle two of the colors below. Cryptic Spires enters the battlefield tapped. {T}: Add one mana of either of the circled colors.

Drossforge Bridge enters the battlefield tapped. Indestructible {T}: Add {B} or {R}.

{T}: Add one mana of any color that a land an opponent controls could produce.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

Luxury Suite enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {R}.

({T}: Add {R}.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

Rakdos Guildgate enters the battlefield tapped. {T}: Add {B} or {R}.

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

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

Thriving Bluff enters the battlefield tapped. As Thriving Bluff enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this creature dies, it deals 1 damage to any target." They gain haste until end of turn.

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create four 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

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

Kicker {2}{B} (You may pay an additional {2}{B} as you cast this spell.) Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If this spell was kicked, sacrifice that creature at the beginning of the next end step.

Make Mischief deals 1 damage to any target. Create a 1/1 red Devil creature token. It has "When this creature dies, it deals 1 damage to any target."

Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.

Destroy target creature. Madness {B}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)