When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power.

Craft with one or more creatures {2}{B}{B}

{2}{B}: Return Altar of the Wretched from your graveyard to your hand.

Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it.

Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

Flash

This spell costs {1} less to cast for each attacking creature.

Trample

When Ancient Stone Idol dies, create a 6/12 colorless Construct artifact creature token with trample.

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

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Whenever Bane of Bala Ged attacks, defending player exiles two permanents they control.

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

Blasphemous Act deals 13 damage to each creature.

{T}: Add {B}.

{T}: Add {R}.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

All creatures able to block Breaker of Armies do so.

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

Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.

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

Canyon Slough enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

Target creature you control deals damage equal to its power to each other creature and each opponent.

First strike

When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

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

When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top.

The first creature spell you cast each turn costs {2} less to cast.

When Court of Ambition enters the battlefield, you become the monarch.

At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

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.

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

Add {B}{B}{B}{B}.

Trample, indestructible

If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

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.

Flying, trample

When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way.

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.

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Menace, deathtouch

When Dire Fleet Ravager enters the battlefield, each player loses a third of their life, rounded up.

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Reach

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

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

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

When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.

Devoid (This card has no color.)

{3}{C}, Exile a creature card from your graveyard: Target opponent loses life equal to the exiled card's power. ({C} represents colorless mana.)

Imprint -- When Duplicant enters the battlefield, you may exile target nontoken creature.

As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

When you cast this spell, gain control of all creatures target player controls.

Flying, protection from spells and from permanents that were cast this turn

When Emrakul, the World Anew leaves the battlefield, sacrifice all creatures you control.

Madness--Pay six {C}.

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

When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

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

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

First strike

At the beginning of your postcombat main phase, look at the top X cards of your library, where X is the total amount of life your opponents lost this turn. Exile one of those cards and put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

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}.

Trample

Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

{T}: Add {C}.

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

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.)

Haunted Ridge enters the battlefield tapped unless you control two or more other lands.

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

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

{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.

Flying, trample

Skip your draw step.

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

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.

Flying

When Knollspine Dragon enters the battlefield, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

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.

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

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Defender

{T}: Lobber Crew deals 1 damage to each opponent.

Whenever you cast a multicolored spell, untap Lobber Crew.

Menace

Lieutenant -- At the beginning of combat on your turn, if you control your commander, each opponent loses 3 life.

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

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

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.)

Choose target creature. You lose 2 life. Until end of turn, that creature gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Malakir Mire enters the battlefield tapped.

{T}: Add {B}.

Add {R} for each tapped land your opponents control.

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip {3}

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

{T}: Add {C}.

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

{T}, Pay 1 life: Add {B} or {R}.

{1}{B}{R}, {T}: Mount Doom deals 1 damage to each opponent.

{5}{B}{R}, {T}, Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Devoid (This card has no color.)

{T}: Nettle Drone deals 1 damage to each opponent.

Whenever you cast a colorless spell, untap Nettle Drone.

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.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.)

Pathrazer of Ulamog can't be blocked except by three or more creatures.

When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.

Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Menace

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.

Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

At the beginning of your upkeep, repeat the following process for each opponent in turn order. Reveal the top card of your library. That player may pay life equal to that card's mana value. If they do, exile that card. Otherwise, put it into your hand.

Your opponents can't gain life.

At the beginning of your upkeep, Quakebringer deals 2 damage to each opponent. This ability triggers only if Quakebringer is on the battlefield or if Quakebringer is in your graveyard and you control a Giant.

Foretell {2}{R}{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}.

{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

At the beginning of your end step, target opponent may sacrifice two nonland, nontoken permanents. If they don't, you draw two cards.

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

Fallen Warrior -- As an additional cost to cast this spell, you may exile a creature card from your graveyard.

Trample

Plasma Incinerator -- Whenever Redemptor Dreadnought attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card.

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

Menace

When Ruin Grinder dies, each player may discard their hand and draw seven cards.

Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

When Ruthless Technomancer enters the battlefield, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power.

{2}{B}, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

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

Add an amount of {B} equal to the sacrificed creature's mana value.

At the beginning of your precombat main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

Flying

When Sandstone Oracle enters the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Flying, vigilance, trample, lifelink

{5}, Exile Scavenged Brawler from your graveyard: Choose target creature. Put four +1/+1 counters, a flying counter, a vigilance counter, a trample counter, and a lifelink counter on that creature. Activate only as a sorcery.

Trample

Bio-Plasmic Scream -- Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target.

Scuttling Doom Engine can't be blocked by creatures with power 2 or less.

When Scuttling Doom Engine dies, it deals 6 damage to target opponent or planeswalker.

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

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.)

{1}{B}, {T}, Sacrifice another creature: Draw X cards, where X is that creature's power.

Choose a Background (You can have a Background as a second commander.)

{T}: Add {C}.

{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

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

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

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Trample

{5}: Permanents you control gain indestructible until end of turn.

{5}, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

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.

Defender

{T}: Spear Spewer deals 1 damage to each player.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Menace

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

Vigilance

Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

When Su-Chi Cave Guard dies, add eight {C}. Until end of turn, you don't lose this mana as steps and phases end.

{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}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{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.

Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one --

• Tectonic Giant deals 3 damage to each opponent.

• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Temple of Malice enters the battlefield tapped.

When Temple of Malice enters the battlefield, scry 1.

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

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.

Defender

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

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

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

Flying, vigilance, trample

When Triplicate Titan dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

Flying

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of your upkeep, if you have the city's blessing, reveal the top card of your library and put it into your hand. Each opponent loses X life and you gain X life, where X is that card's mana value.

Flying, haste

Lieutenant -- As long as you control your commander, Tyrant's Familiar gets +2/+2 and has "Whenever Tyrant's Familiar attacks, it deals 7 damage to target creature defending player controls."

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Ulamog's Crusher attacks each combat if able.

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.

Flying

Whenever you attack with one or more Wraiths, exile the top X cards of your library, where X is their total power. You may play those cards this turn.

Undying (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.)

Each opponent loses 4 life and you gain 4 life.

Zof Bloodbog enters the battlefield tapped.

{T}: Add {B}.