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.

{1}{B}, {T}: Target player loses 1 life.

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

Sacrifice Bile Urchin: Target player loses 1 life.

{T}: Target player loses 1 life. {4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent. Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

Flying When Blood-Toll Harpy enters the battlefield, each player loses 1 life.

When Callous Bloodmage enters the battlefield, choose one — • Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." • You draw a card and you lose 1 life. • Exile target player's graveyard.

Flash When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

Whenever you gain life, each opponent loses 1 life.

Whenever Falkenrath Perforator attacks, it deals 1 damage to defending player.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

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.

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Other creatures you control get +1/+0. Whenever a nontoken creature you control dies, Judith, the Scourge Diva deals 1 damage to any target.

When Kardur, Doomscourge enters the battlefield, 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.

Whenever you gain life, each opponent loses 1 life.

Whenever a land enters the battlefield under an opponent's control, that player loses 1 life. Put a +1/+1 counter on Nightshade Harvester.

Whenever Pulse Tracker attacks, each opponent loses 1 life.

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.

Sacrifice a Goblin: Add {R}.

Flying When Skymarch Bloodletter enters the battlefield, target opponent loses 1 life and you gain 1 life.

Flying Whenever a player casts a nonblack spell, that player loses 1 life.

{B}{R}: Each player loses 1 life.

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

Indestructible As Stuffy Doll enters the battlefield, choose a player. Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player. {T}: Stuffy Doll deals 1 damage to itself.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Advanced Species — Whenever a red source you control deals damage to one or more permanents and/or players, put a +1/+1 counter on The Red Terror.

Defender {T}: Unruly Catapult deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Unruly Catapult.

{2}, {T}: Each opponent loses 1 life and you gain 1 life.

Whenever Vicious Conquistador attacks, each opponent loses 1 life.

Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player.

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

Whenever you put one or more counters on a permanent or player, All Will Be One deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

Whenever you cast a creature spell, Furious Assault deals 1 damage to target player or planeswalker.

Whenever a creature attacks you, its controller loses 1 life.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Whenever a nontoken permanent is put into a player's graveyard from the battlefield, that player loses 1 life.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

Enchant land Enchanted land has "{T}: This land deals 1 damage to each creature and each player."

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence. {B}: Pestilence deals 1 damage to each creature and each player.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.

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.

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

Create two 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

Death Spark deals 1 damage to any target. At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay {1}. If you do, return Death Spark to your hand.

Choose one — • Target opponent loses 1 life and you gain 1 life. • Exile up to three target cards from a single graveyard. • Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Flick a Coin deals 1 damage to any target. You create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Draw a card.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

({T}: Add {R}.)

Create two 1/1 red Goblin creature tokens. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Taste of Blood deals 1 damage to target player or planeswalker and you gain 1 life.

Tectonic Hazard deals 1 damage to each opponent and each creature they control.

Strive — This spell costs {2}{R} more to cast for each target beyond the first. Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.

Target player loses 1 life, discards a card, then sacrifices a permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.

Equipped creature gets +1/+0 for each opponent you have. Whenever equipped creature is dealt damage, it deals that much damage to any target. Equip {4}

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

{T}, Sacrifice an artifact or creature: Each opponent loses 1 life and you gain 1 life.

Menace {1}{B}, Sacrifice Dusk Legion Sergeant: Each nontoken Vampire creature you control gains persist until end of turn. (When it 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.)

Kicker {B} (You may pay an additional {B} as you cast this spell.) When Gatekeeper of Malakir enters the battlefield, if it was kicked, target player sacrifices a creature.

{6}{B}: Each opponent loses 2 life and you gain 2 life.

Menace (This creature can't be blocked except by two or more creatures.) When Vampire Socialite enters the battlefield, if an opponent lost life this turn, put a +1/+1 counter on each other Vampire you control. As long as an opponent lost life this turn, each other Vampire you control enters the battlefield with an additional +1/+1 counter on it.