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

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

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.)

Whenever Ashling, the Extinguisher deals combat damage to a player, choose target creature that player controls. The player sacrifices that creature.

Destroy target artifact, creature, or planeswalker.

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

Blasphemous Act deals 13 damage to each creature.

({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.

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

Castle Locthwain enters the battlefield tapped unless you control a Swamp.

{T}: Add {B}.

{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

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.

Target opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents.

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

{T}: Add one mana of any color.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

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.

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

Sacrifice Commander's Sphere: Draw a card.

Trample

At the beginning of each player's end step, Crimson Honor Guard deals 4 damage to that player unless they control a commander.

Enchant player

At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, they lose 5 life.

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.

Enchant player

If a source would deal damage to enchanted player, it deals double that damage to that player instead.

Target player sacrifices half the permanents they control, rounded down.

Suspend 2--{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two 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.)

At the beginning of each player's upkeep, if Curse of the Cabal is suspended, that player may sacrifice a permanent. If the player does, put two time counters on Curse of the Cabal.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Flash

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

Menace, deathtouch

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

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

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

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.)

Choose three. You may choose the same mode more than once.

• Fiery Confluence deals 1 damage to each creature.

• Fiery Confluence deals 2 damage to each opponent.

• Destroy target artifact.

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}.

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

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

Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.

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.)

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Players can't gain life.

At the beginning of each player's upkeep, that player loses half their life, rounded up.

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

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

Flying

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

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

Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

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

Choose a creature at random, then destroy the rest.

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}.

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

Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.

Memorial to Folly enters the battlefield tapped.

{T}: Add {B}.

{2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

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.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({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.

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

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.)

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.

{2}{R}: Creatures you control get +1/+0 until end of turn.

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

{B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card.

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

Menace

Players can't gain life.

Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.

Target opponent loses 5 life unless that player discards two cards or sacrifices a creature or planeswalker. Repeat this process once.

Target opponent may have Risk Factor deal 4 damage to them. If that player doesn't, you draw three cards.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Rocky Tar Pit enters the battlefield tapped.

{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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.

{T}: Add {B}.

{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

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.

{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.

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.

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

At the beginning of each player's draw step, that player draws an additional card.

Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

({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 {B}.)

({T}: Add {B}.)

{T}: Add {C}.

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

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

{T}: Add {C}.

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

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.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

If a source would deal damage to you, prevent 1 of that damage.

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

Whenever a land enters the battlefield, Zo-Zu the Punisher deals 2 damage to that land's controller.