Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player.
{2}{R}
Ancient Runes
Enchantment
At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control.
{2}
Ankh of Mishra
Artifact
Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.
{3}{R}
Antagonism
Enchantment
At the beginning of each player's end step, Antagonism deals 2 damage to that player unless one of their opponents was dealt damage this turn.
{R}{R}
Ash Zealot
Creature - Human Warrior
First strike, haste
Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.
2 /
2
{3}
Barbed Wire
Artifact
At the beginning of each player's upkeep, Barbed Wire deals 1 damage to that player.
{2}: Prevent the next 1 damage that would be dealt by Barbed Wire this turn.
{4}
Blood Clock
Artifact
At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.
{2}{R}
Blood Moon
Enchantment
Nonbasic lands are Mountains.
{1}{B}{B}
Bottomless Pit
Enchantment
At the beginning of each player's upkeep, that player discards a card at random.
{2}{R}
Brimstone Vandal
Creature - Devil
Menace (This creature can't be blocked except by two or more creatures.)
If it's neither day nor night, it becomes day as Brimstone Vandal enters the battlefield.
Whenever day becomes night or night becomes day, Brimstone Vandal deals 1 damage to each opponent.
2 /
3
{3}{R}
Burning Earth
Enchantment
Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.
{1}{R}{G}
Burning-Tree Shaman
Creature - Centaur Shaman
Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.
3 /
4
{3}
Caltrops
Artifact
Whenever a creature attacks, Caltrops deals 1 damage to it.
{1}{B}
Chains of Mephistopheles
Enchantment
If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.
{R}{G}
Cindervines
Enchantment
Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player.
{1}, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.
{1}{R}
Circle of Flame
Enchantment
Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.
{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.
{2}
Copper Tablet
Artifact
At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.
{3}{R}{R}
Crimson Honor Guard
Creature - Vampire Knight
Trample
At the beginning of each player's end step, Crimson Honor Guard deals 4 damage to that player unless they control a commander.
4 /
5
{2}{B}
Cunning Lethemancer
Creature - Human Wizard
At the beginning of your upkeep, each player discards a card.
2 /
2
{2}{B}{B}
Dark Suspicions
Enchantment
At the beginning of each opponent's upkeep, that player loses X life, where X is the number of cards in that player's hand minus the number of cards in your hand.
{3}{B}
Desecration Elemental
Creature - Elemental
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever a player casts a spell, sacrifice a creature.
8 /
8
{4}
Dingus Egg
Artifact
Whenever a land is put into a graveyard from the battlefield, Dingus Egg deals 2 damage to that land's controller.
{4}
Dingus Staff
Artifact
Whenever a creature dies, Dingus Staff deals 2 damage to that creature's controller.
{R}{R}
Eidolon of the Great Revel
Enchantment Creature - Spirit
Whenever a player casts a spell with mana value 3 or less, Eidolon of the Great Revel deals 2 damage to that player.
2 /
2
{3}{B}
Fate Unraveler
Enchantment Creature - Hag
Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.
3 /
4
{1}{U}{R}
Fevered Visions
Enchantment
At the beginning of each player's end step, that player draws a card. If the player is your opponent and has four or more cards in hand, Fevered Visions deals 2 damage to that player.
{1}{R}
Harsh Mentor
Creature - Human Cleric
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.
2 /
2
{3}{B}
Haunting Wind
Enchantment
Whenever an artifact becomes tapped or a player activates an artifact's ability without {T} in its activation cost, Haunting Wind deals 1 damage to that artifact's controller.
{1}{R}
Immolation Shaman
Creature - Viashino Shaman
Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player.
{3}{R}{R}: Immolation Shaman gets +3/+3 and gains menace until end of turn.
1 /
3
{2}{R}
Impatience
Enchantment
At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.
{2}{W}{W}
Karma
Enchantment
At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.
{4}{W}
Kenrith, the Returned King
Legendary Creature - Human Noble
{R}: All creatures gain trample and haste until end of turn.
{1}{G}: Put a +1/+1 counter on target creature.
{2}{W}: Target player gains 5 life.
{3}{U}: Target player draws a card.
{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.
5 /
5
{3}{R}
Lavaborn Muse
Creature - Spirit
At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Lavaborn Muse deals 3 damage to that player.
3 /
3
{2}{R}{R}
Leyline of Combustion
Enchantment
If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield.
Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.
{1}{B}{B}
Liability
Enchantment
Whenever a nontoken permanent is put into a player's graveyard from the battlefield, that player loses 1 life.
{1}{B}
Liliana's Caress
Enchantment
Whenever an opponent discards a card, that player loses 2 life.
{3}{B}
Mage Hunter
Creature - Horror
Whenever an opponent casts or copies an instant or sorcery spell, they lose 1 life.
3 /
4
{3}{R}
Manabarbs
Enchantment
Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.
{4}{W}{W}
Martyr's Bond
Enchantment
Whenever Martyr's Bond or another nonland permanent you control is put into a graveyard from the battlefield, each opponent sacrifices a permanent that shares a card type with it.
{2}
Mask of Intolerance
Artifact
At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player.
{2}{B}
Megrim
Enchantment
Whenever an opponent discards a card, Megrim deals 2 damage to that player.
{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
{2}{R}{G}
Monsoon
Enchantment
At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way.
{2}{B}
Necrogen Mists
Enchantment
At the beginning of each player's upkeep, that player discards a card.
{2}{U}{B}{R}
Nekusar, the Mindrazer
Legendary Creature - Zombie Wizard
At the beginning of each player's draw step, that player draws an additional card.
Whenever an opponent draws a card, Nekusar, the Mindrazer deals 1 damage to that player.
2 /
4
{4}{B}{B}
Ob Nixilis, Unshackled
Legendary Creature - Demon
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.
4 /
4
{3}{B}{B}
Ob Nixilis, the Hate-Twisted
Legendary Planeswalker - Nixilis
Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.
-2: Destroy target creature. Its controller draws two cards.
L:
5
{1}{B}{B}
Oppression
Enchantment
Whenever a player casts a spell, that player discards a card.
{1}{R}{G}
Overabundance
Enchantment
Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player.
{3}{B}{B}
Painful Quandary
Enchantment
Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.
{3}
Paupers' Cage
Artifact
At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Paupers' Cage deals 2 damage to that player.
{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.
{R}{R}
Power Surge
Enchantment
At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
{6}{B}
Price of Knowledge
Enchantment
Players have no maximum hand size.
At the beginning of each opponent's upkeep, Price of Knowledge deals damage to that player equal to the number of cards in that player's hand.
{2}{G}{G}
Primal Order
Enchantment
At the beginning of each player's upkeep, Primal Order deals damage to that player equal to the number of nonbasic lands they control.
{2}
Psychogenic Probe
Artifact
Whenever a spell or ability causes a player to shuffle their library, Psychogenic Probe deals 2 damage to that player.
{1}{R}
Pyrostatic Pillar
Enchantment
Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player.
{B}
Quest for the Nihil Stone
Enchantment
Whenever an opponent discards a card, you may put a quest counter on Quest for the Nihil Stone.
At the beginning of each opponent's upkeep, if that player has no cards in hand and Quest for the Nihil Stone has two or more quest counters on it, you may have that player lose 5 life.
{4}
Rackling
Artifact Creature - Phyrexian Construct
At the beginning of each opponent's upkeep, Rackling deals X damage to that player, where X is 3 minus the number of cards in their hand.
2 /
2
{3}{B}
Raiders' Wake
Enchantment
Whenever an opponent discards a card, that player loses 2 life.
Raid -- At the beginning of your end step, if you attacked this turn, target opponent discards a card.
{1}{R}{R}
Repercussion
Enchantment
Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.
{3}{B}
Revenge of Ravens
Enchantment
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.
{1}{R}
Roiling Vortex
Enchantment
At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them.
Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player.
{R}: Your opponents can't gain life this turn.
{2}{W}{W}
Royal Decree
Enchantment
Cumulative upkeep {W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, Royal Decree deals 1 damage to that permanent's controller.
{1}{R}{R}
Scab-Clan Berserker
Creature - Human Berserker
Haste
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever an opponent casts a noncreature spell, if Scab-Clan Berserker is renowned, Scab-Clan Berserker deals 2 damage to that player.
2 /
2
{1}{R}
Scald
Enchantment
Whenever a player taps an Island for mana, Scald deals 1 damage to that player.
{3}{B}{B}
Seizan, Perverter of Truth
Legendary Creature - Demon Spirit
At the beginning of each player's upkeep, that player loses 2 life and draws two cards.
6 /
5
{B}
Shrieking Affliction
Enchantment
At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 3 life.
{4}
Skullcage
Artifact
At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand.
{2}{U}
Soul Barrier
Enchantment
Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay {2}.
{2}{R}
Spellshock
Enchantment
Whenever a player casts a spell, Spellshock deals 2 damage to that player.
{2}{B/R}{B/R}
Spiteful Visions
Enchantment
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.
{R}
Storm World
World Enchantment
At the beginning of each player's upkeep, Storm World deals X damage to that player, where X is 4 minus the number of cards in their hand.
{B}{R}
Stormfist Crusader
Creature - Human Knight
Menace
At the beginning of your upkeep, each player draws a card and loses 1 life.
2 /
2
{2}{B}
Tainted Remedy
Enchantment
If an opponent would gain life, that player loses that much life instead.
{1}{G}{G}
Thelon's Chant
Enchantment
At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay {G}.
Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.
{1}{B}{B}
Tourach's Chant
Enchantment
At the beginning of your upkeep, sacrifice Tourach's Chant unless you pay {B}.
Whenever a player puts a Forest onto the battlefield, Tourach's Chant deals 3 damage to that player unless they put a -1/-1 counter on a creature they control.
{1}{R}
Tunnel Ignus
Creature - Elemental
Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.
2 /
1
{4}
Umbilicus
Artifact
At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.
{B}{B}{B}
Underworld Dreams
Enchantment
Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{4}
Viseling
Artifact Creature - Phyrexian Construct
At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4.
2 /
2
{3}
Wheel of Torture
Artifact
At the beginning of each opponent's upkeep, Wheel of Torture deals X damage to that player, where X is 3 minus the number of cards in their hand.
{2}{B}
Words of Waste
Enchantment
{1}: The next time you would draw a card this turn, each opponent discards a card instead.
{1}{B}{R}{G}
Yurlok of Scorch Thrash
Legendary Creature - Viashino Shaman
Vigilance
A player losing unspent mana causes that player to lose that much life.