Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.
{4}{B}{B}{B}
Baneful Omen
Enchantment
At the beginning of your end step, you may reveal the top card of your library. If you do, each opponent loses life equal to that card's mana value.
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{3}{R}
Burning Earth
Enchantment
Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.
{3}{R}
Burning Earth
Enchantment
Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.
{2}{R}{R}
Chain Reaction
Sorcery
Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.
{2}{R}
Citadel of Pain
Enchantment
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.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
{4}{B}{B}
Deadly Tempest
Sorcery
Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.
{3}{R}{R}
Dictate of the Twin Gods
Enchantment
Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{1}{B}
Doom Blade
Instant
Destroy target nonblack creature.
--
Dragonskull Summit
Land
Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.
{T}: Add {B} or {R}.
{2}{B/R}
Everlasting Torment
Enchantment
Players can't gain life.
Damage can't be prevented.
All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{X}{B}{B}
Exsanguinate
Sorcery
Each opponent loses X life. You gain life equal to the life lost this way.
--
Foreboding Ruins
Land
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}.
{1}{R}{R}{R}
Furnace of Rath
Enchantment
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{1}{B}
Go for the Throat
Instant
Destroy target nonartifact creature.
{4}{B}{R}
Havoc Festival
Enchantment
Players can't gain life.
At the beginning of each player's upkeep, that player loses half their life, rounded up.
{3}{R}{R}
Heartless Hidetsugu
Legendary Creature - Ogre Shaman
{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.
4 /
3
{1}{B}{B}
Hero's Downfall
Instant
Destroy target creature or planeswalker.
{5}{B}{R}
Kaervek the Merciless
Legendary Creature - Human Shaman
Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.
5 /
4
{3}
Kolaghan Monument
Artifact
{T}: Add {B} or {R}.
{4}{B}{R}: Kolaghan Monument becomes a 4/4 black and red Dragon artifact creature with flying until end of turn.
--
Lavaclaw Reaches
Land
Lavaclaw Reaches enters the battlefield tapped.
{T}: Add {B} or {R}.
{1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.
{4}{B}{B}
Life's Finale
Sorcery
Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.
{3}{R}
Manabarbs
Enchantment
Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.
{1}{B}{B}
Maralen of the Mornsong
Legendary Creature - Elf Wizard
Players can't draw cards.
At the beginning of each player's draw step, that player loses 3 life, searches their library for a card, puts it into their hand, then shuffles.
2 /
3
{2}
Mindcrank
Artifact
Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)
{2}{B}{R}
Mogis, God of Slaughter
Legendary Enchantment Creature - God
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.
7 /
5
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{B}{R}
Pain Magnification
Enchantment
Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.
{3}{B}{B}
Painful Quandary
Enchantment
Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.
{3}{B}{B}
Polluted Bonds
Enchantment
Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.
{2}{R}
Price of Glory
Enchantment
Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.
--
Rakdos Carnarium
Land
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}.
{3}
Rakdos Cluestone
Artifact
{T}: Add {B} or {R}.
{B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card.
{3}
Rakdos Keyrune
Artifact
{T}: Add {B} or {R}.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{1}{R}{R}
Repercussion
Enchantment
Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.
--
Shadowblood Ridge
Land
{1}, {T}: Add {B}{R}.
{4}{B}{R}
Sire of Insanity
Creature - Demon
At the beginning of each end step, each player discards their hand.
6 /
4
{4}{B}{R}
Sire of Insanity
Creature - Demon
At the beginning of each end step, each player discards their hand.
6 /
4
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{R}
Spellshock
Enchantment
Whenever a player casts a spell, Spellshock deals 2 damage to that player.
{3}{R}
Stranglehold
Enchantment
Your opponents can't search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.
{3}{B}{B}
Subversion
Enchantment
At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.
{1}{R}{R}
Sulfuric Vortex
Enchantment
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.
--
Sulfurous Springs
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Tainted Peak
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Activate only if you control a Swamp.
{2}
Talisman of Indulgence
Artifact
{T}: Add {C}.
{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.
--
Temple of Malice
Land
Temple of Malice enters the battlefield tapped.
When Temple of Malice enters the battlefield, scry 1.
{T}: Add {B} or {R}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{B}{R}
Terminate
Instant
Destroy target creature. It can't be regenerated.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Tresserhorn Sinks
Snow Land
Tresserhorn Sinks enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Urborg Volcano
Land
Urborg Volcano enters the battlefield tapped.
{T}: Add {B} or {R}.
{1}{B}{R}
Vial Smasher the Fierce
Legendary Creature - Goblin Berserker
Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls.
Partner (You can have two commanders if both have partner.)
2 /
3
{3}{B}{R}
Void
Sorcery
Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all nonland cards with mana value equal to the number.
{3}
Worn Powerstone
Artifact
Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.
{5}{B}
Wound Reflection
Enchantment
At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)
{2}{B}{R}
Wrecking Ball
Instant
Destroy target creature or land.
{1}{R}{R}
Zo-Zu the Punisher
Legendary Creature - Goblin Warrior
Whenever a land enters the battlefield, Zo-Zu the Punisher deals 2 damage to that land's controller.