Trample

Mark of Chaos Ascendant -- During your turn, spells you cast from your hand with mana value X or less have cascade, where X is the total amount of life your opponents have lost this turn.

Suspend 4--{U} (Rather than cast this card from your hand, pay {U} and exile it with four 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.)

Target player draws three cards.

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

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

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

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.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Bituminous Blast deals 4 damage to target creature.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Destroy target creature.

All creatures get -3/-3 until end of turn.

({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.

This spell costs {1} less to cast for each creature that died this turn.

Discard your hand, then draw eight cards. Blood for the Blood God! deals 8 damage to each opponent. Exile Blood for the Blood God!

Flying

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

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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.

Draw three cards, then put two cards from your hand on top of your library in any order.

Trample

Battle Cannon -- When Chaos Defiler enters the battlefield or dies, for each opponent, choose a nonland permanent that player controls. Destroy one of them chosen at random.

Exile any number of target creatures controlled by different players. For each creature exiled this way, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then puts the rest on the bottom of their library in a random order.

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.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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

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

Sacrifice Commander's Sphere: Draw a card.

At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Crumbling Necropolis enters the battlefield tapped.

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

Cryptolith Fragment enters the battlefield tapped.

{T}: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

Flying, deathtouch

Whenever Aurora of Emrakul attacks, each opponent loses 3 life.

Destroy all creatures. They can't be regenerated.

Gift of Chaos -- {3}, {T}: The next noncreature spell you cast this turn has cascade. (When you cast that spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Add {B}{B}{B}.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.

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

When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead.

Foretell {4}{R}{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.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Return target permanent to its owner's hand.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

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

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Sorcerous Inspiration -- At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.

Fire of Tzeentch -- Whenever you cast an instant or sorcery spell, Exalted Flamer of Tzeentch deals 1 damage to each opponent.

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

Each opponent loses X life. You gain life equal to the life lost this way.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

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

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

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

Other Demons you control have haste.

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Add {R} for each card in target opponent's hand.

• Exile the top three cards of your library. You may play them this turn.

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

First strike, haste

Symphony of Pain -- Whenever you cast a spell from anywhere other than your hand, Keeper of Secrets deals damage equal to that spell's mana value to target opponent.

Choose one or more --

• Destroy target artifact.

• Destroy target creature.

• Kill! Maim! Burn! deals 3 damage to target player.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Let the Galaxy Burn deals X plus 2 damage to each creature that didn't enter the battlefield this turn.

Spells can't be countered.

Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Flying, ward {3}

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

Flying

Unearthly Power -- Instant and sorcery spells you cast cost {1} less to cast for each creature token you control.

Blade of Magnus -- Whenever Magnus the Red deals combat damage to a player, create a 3/3 red Spawn creature token.

Choose target creature you control. Destroy all creatures with power less than that creature's power.

Flying

Whenever you cast a spell from anywhere other than your hand, you may pay {1}{U/R}. If you do, copy that spell and you may choose new targets for the copy. If the copy is a permanent spell, it gains haste and "At the beginning of your end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

Whenever you cast a spell from exile, copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

Put target creature card from an opponent's graveyard onto the battlefield tapped under your control, then exile that player's graveyard.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

Coruscating Flames -- Whenever you cast an instant or sorcery spell, Pink Horror deals 2 damage to any target.

Split -- When Pink Horror dies, create two 2/2 blue and red Demon Horror creature tokens named Blue Horror with "Whenever you cast an instant or sorcery spell, this creature deals 1 damage to any target."

Deathtouch

Curse of the Walking Pox -- Whenever you cast a spell from anywhere other than your hand, return Poxwalkers from your graveyard to the battlefield tapped.

Each opponent secretly chooses silence or snitch, then the choices are revealed. If each opponent chose silence, Prisoner's Dilemma deals 4 damage to each of them. If each opponent chose snitch, Prisoner's Dilemma deals 8 damage to each of them. Otherwise, Prisoner's Dilemma deals 12 damage to each opponent who chose silence.

Flashback {5}{R}{R}

Deathtouch

Mystic Arcanum -- At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card.

Pact Boon -- Whenever you play a card from exile, create a Treasure token.

Copy target instant or sorcery spell. You may choose new targets for the copy.

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

Spectacle {1}{B}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Flying, trample

At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.

Storm-Kiln Artist gets +1/+0 for each artifact you control.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

({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}.)

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

{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}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- For each opponent, gain control of up to one target nonlegendary creature that player controls for as long as The Horus Heresy remains on the battlefield.

II -- Draw a card for each creature you control but don't own.

III -- Starting with you, each player chooses a creature. Destroy each creature chosen this way.

Whenever a land enters the battlefield under your control from anywhere other than your hand or you cast a spell from anywhere other than your hand, create a 3/3 red Spawn creature token.

At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.

Defender

{T}: Thermo-Alchemist deals 1 damage to each opponent.

Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

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

Draw three cards.

Flying

Sorcerous Elixir -- Whenever Tzaangor Shaman deals combat damage to a player, copy the next instant or sorcery spell you cast this turn when you cast it. You may choose new targets for the copy.

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

Undercity Sewers enters the battlefield tapped.

When Undercity Sewers enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

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

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

The first spell you cast from exile each turn has cascade. (When you cast your first spell from exile, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

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

Xander's Lounge enters the battlefield tapped.

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