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

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

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

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

Morbid — At the beginning of each end step, if a creature died this turn, put a soul counter on this artifact. {T}: Add X mana of any one color, where X is the number of soul counters on this artifact. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.

{T}: Add {C}. {T}: Add {B} or {R}. This artifact deals 1 damage to you.

Each player puts a creature card from their graveyard onto the battlefield.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. You gain 3 life.

Surveil 2, then draw two cards. You lose 2 life. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

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.)

Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis. Exile the top card of your library. Until your next end step, you may play that card.

Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."

At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life.

Menace Whenever The Infamous Cruelclaw deals combat damage to a player, exile cards from the top of your library until you exile a nonland card. You may cast that card by discarding a card rather than paying its mana cost.

As an additional cost to cast this spell, discard a card. Draw two cards.

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

When Kardur enters, 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.

First strike, deathtouch This creature can only attack alone. Whenever this creature attacks a player and isn't blocked, that player's life total becomes 1. This creature assigns no combat damage this combat.

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

Trample Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice.

You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield. Each player sacrifices thirteen creatures of their choice.

Destroy all creatures. They can't be regenerated.

When this creature enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

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 of their choice.

Destroy target creature. If that creature dies this way, its controller creates two tokens that are copies of that creature, except their power is half that creature's power and their toughness is half that creature's toughness. Round up each time.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.

Destroy target creature. It can't be regenerated.

Choose one — • Destroy target artifact. • Change the target of target spell or ability with a single target. • One or two target creatures can't block this turn.

Whenever a creature an opponent controls enters, you may have that player lose 1 life.

This spell can't be countered. +2: Each opponent gets an emblem with "At the beginning of your upkeep, this emblem deals 1 damage to you." −3: Chandra deals 3 damage to each non-Elemental creature. −X: Chandra deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

Whenever an opponent draws a card, this creature deals 1 damage to that player.

Whenever an opponent casts a noncreature spell, this creature deals damage equal to its power to that player. 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.)

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Whenever an opponent draws a card, if you control a red permanent, you may have this creature deal 1 damage to that player.

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Whenever a land an opponent controls enters, that player loses 1 life. Put a +1/+1 counter on this creature.

Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

This creature has first strike during your turn. Whenever an opponent draws a card, this creature deals 1 damage to them.

Flying Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Deathtouch Whenever you draw a card, you gain 2 life. Whenever an opponent draws a card, they lose 2 life.

Whenever a player casts a spell, this enchantment deals 2 damage to that player.

Enchant player Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Search your library for a Demon card, reveal it, put it into your hand, then shuffle. Delirium — If there are four or more card types among cards in your graveyard, instead search your library for any card, put it into your hand, then shuffle.

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {R}.

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

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

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

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

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

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

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

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

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {T}: Add {B} or {R}. This land deals 1 damage to you.

({T}: Add {B}.)

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

{T}: Add {C}. {2}, {T}: Target commander gains lifelink until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When this creature enters, 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.)

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 token dies, it deals 1 damage to any target."

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.

Add {B}{B}{B}.