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

Flying

At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Flying

Your opponents can't gain life.

At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)

Flying

Whenever a source an opponent controls deals damage to Archfiend of Spite, that source's controller loses that much life unless they sacrifice that many permanents.

Madness {3}{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.)

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.

Flying

Prince of Chaos -- When Be'lakor, the Dark Master enters the battlefield, you draw X cards and you lose X life, where X is the number of Demons you control.

Lord of Torment -- Whenever another Demon enters the battlefield under your control, it deals damage equal to its power to any target.

Flying

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

Flying

If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Flying, trample

Whenever Bloodthirster deals combat damage to a player, untap it. After this combat phase, there is an additional combat phase.

Bloodthirster can't attack a player it has already attacked this turn.

Flying

When Burning-Rune Demon enters the battlefield, you may search your library for exactly two cards not named Burning-Rune Demon that have different names. If you do, reveal those cards. An opponent chooses one of them. Put the chosen card into your hand and the other into your graveyard, then shuffle.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

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

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Counter target noncreature spell. Its controller loses 2 life.

Add {B}{B}{B}.

If you control a commander, you may cast this spell without paying its mana cost.

Exile target creature.

If you control a commander, you may cast this spell without paying its mana cost.

You may choose new targets for target spell or ability.

Flying, trample

Whenever Demon of Loathing deals combat damage to a player, that player sacrifices a creature.

Flying

Lieutenant -- As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature."

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

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

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

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

Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by {2}. (During your turn, you may pay {2} and exile it from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you foretell a card, Dream Devourer gets +2/+0 until end of turn.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

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

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

{T}: Add one mana of any color.

Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

Reverberating Summons -- At the beginning of your end step, each opponent loses 2 life. Then for each opponent who has less life than you, create a 1/3 black Demon creature token named Plaguebearer of Nurgle.

Companion -- Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

Deathtouch

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

Creature spells you cast cost {2} less to cast.

Creatures you control get -1/-1.

Locus of Slaanesh -- Demon spells you cast cost {2} less to cast.

Other Demons you control have haste.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Flying

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

Flying, trample

Skip your draw step.

Whenever you play a land or cast a spell, you draw a card and you lose 1 life.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

When Kardur, Doomscourge enters the battlefield, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able.

Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

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.

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.

Flying, ward {3}

Architect of Deception -- When Lord of Change enters the battlefield, draw three cards.

Luxury Suite enters the battlefield tapped unless you have two or more opponents.

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

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

As Molten Echoes enters the battlefield, choose a creature type.

Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Morphic Pool enters the battlefield tapped unless you have two or more opponents.

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

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

Haste

At the beginning of your upkeep, return a red creature you control to its owner's hand.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flying

Rot Fly -- If an opponent would gain life, that player loses that much life instead.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a legendary spell.

{T}: Add one mana of any color among legendary permanents you control.

{3}, {T}, Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.

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

You can't cast this spell unless an opponent lost life this turn.

Flying, trample

Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.

Flying, trample

Whenever you sacrifice another creature, exile cards equal to its mana value from the top of target player's library. Until your next end step, you may play those cards, and mana of any type can be spent to cast those spells.

Sacrifice another creature: Rakdos, the Muscle gains indestructible until end of turn. Tap it. Activate only once each 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.

Flying

Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.

At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Flying

Morbid -- At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

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

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

You have no maximum hand size.

{T}: Add {C}.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

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

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

Flying

As Sower of Discord enters the battlefield, choose two players.

Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

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

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({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 {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

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

{T}: Add {C}{C}. Activate only if you control five or more lands.

This spell costs {1} less to cast for each permanent sacrificed this turn.

Haste

The Balrog, Durin's Bane can't be blocked except by legendary creatures.

When The Balrog dies, destroy target artifact or creature an opponent controls.

You have no maximum hand size.

{T}: Add {C}.

Training Center enters the battlefield tapped unless you have two or more opponents.

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

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

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

Deathtouch

Boast -- {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.)

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.)

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.

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

Xander's Lounge enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)