Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.
{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.
{2}{R}
Blood Moon
Enchantment
Nonbasic lands are Mountains.
{3}{R}
Bolt Bend
Instant
This spell costs {3} less to cast if you control a creature with power 4 or greater.
Change the target of target spell or ability with a single target.
{4}{R}
Brash Taunter
Creature - Goblin
Indestructible
Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.
{2}{R}, {T}: Brash Taunter fights another target creature.
1 /
1
{2}{R}
Browbeat
Sorcery
Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.
{1}{R}
Cathartic Pyre
Instant
Choose one --
• Cathartic Pyre deals 3 damage to target creature or planeswalker.
• Discard up to two cards, then draw that many cards.
{5}{R}
Chandra's Incinerator
Creature - Elemental
This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn.
Trample
Whenever a source you control deals noncombat damage to an opponent, Chandra's Incinerator deals that much damage to target creature or planeswalker that player controls.
6 /
6
{2}{R}
Chaos Warp
Instant
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.
{2}
Collector's Vault
Artifact
{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{4}{R}{R}
Combustible Gearhulk
Artifact Creature - Construct
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.
6 /
6
{X}{R}{R}
Comet Storm
Instant
Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)
Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.
{3}{R}{R}
Court of Ire
Enchantment
When Court of Ire enters the battlefield, you become the monarch.
At the beginning of your upkeep, Court of Ire deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.
{2}{R}{R}
Defiler of Instinct
Creature - Phyrexian Kavu
First strike
As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay.
Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target.
4 /
4
{1}{R}
Demand Answers
Instant
As an additional cost to cast this spell, sacrifice an artifact or discard a card.
Draw two cards.
{4}{R}{R}{R}
Drakuseth, Maw of Flames
Legendary Creature - Dragon
Flying
Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.
7 /
7
{X}{R}
Earthquake
Sorcery
Earthquake deals X damage to each creature without flying and each player.
{3}{R}{R}
Embermaw Hellion
Creature - Hellion
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.
4 /
5
{2}
Endless Atlas
Artifact
{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.
{1}{R}
Erebor Flamesmith
Creature - Dwarf Artificer
Whenever you cast an instant or sorcery spell, Erebor Flamesmith deals 1 damage to each opponent.
2 /
1
{3}{R}
Fanatic of Mogis
Creature - Minotaur Shaman
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.)
4 /
2
{1}{R}
Fiendlash
Artifact - Equipment
Equipped creature gets +2/+0 and has reach.
Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker.
Equip {2}{R}
{2}{R}{R}
Fiery Confluence
Sorcery
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.
{2}{R}
Fiery Inscription
Enchantment
When Fiery Inscription enters the battlefield, the Ring tempts you.
Whenever you cast an instant or sorcery spell, Fiery Inscription deals 2 damage to each opponent.
{2}
Fire Diamond
Artifact
Fire Diamond enters the battlefield tapped.
{T}: Add {R}.
{3}{R}{R}
Fire Servant
Creature - Elemental
If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.
4 /
3
{X}{R}
Fireball
Sorcery
This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.
{1}{R}
Firebrand Archer
Creature - Human Archer
Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.
2 /
1
{1}{R}
Flame Rift
Sorcery
Flame Rift deals 4 damage to each player.
--
Forgotten Cave
Land
Forgotten Cave enters the battlefield tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
{3}{R}
Gimli, Counter of Kills
Legendary Creature - Dwarf Warrior
Trample
Whenever a creature an opponent controls dies, Gimli, Counter of Kills deals 1 damage to that creature's controller.
4 /
3
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{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}
Hazoret's Monument
Legendary Artifact
Red creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, you may discard a card. If you do, draw a card.
{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
{2}{R}{R}
Imodane, the Pyrohammer
Legendary Creature - Human Knight
Whenever an instant or sorcery spell you control that targets only a single creature deals damage to that creature, Imodane deals that much damage to each opponent.
4 /
4
{2}{R}{R}
Invasion of Karsus
Battle - Siege
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of Karsus enters the battlefield, it deals 3 damage to each creature and each planeswalker.
--
Refraction Elemental
Creature - Elemental
Ward--Pay 2 life.
Whenever you cast a spell, Refraction Elemental deals 2 damage to each opponent.
{2}{R}
Invasion of Regatha
Battle - Siege
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of Regatha enters the battlefield, it deals 4 damage to another target battle or opponent and 1 damage to up to one target creature.
--
Disciples of the Inferno
Creature - Human Monk
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
If a noncreature source you control would deal damage to a creature, battle, or opponent, it deals that much damage plus 2 instead.
{2}
Iron Myr
Artifact Creature - Myr
{T}: Add {R}.
1 /
1
{X}{R}{R}
Jaya's Immolating Inferno
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Jaya's Immolating Inferno deals X damage to each of up to three targets.
{1}{R}
Kessig Flamebreather
Creature - Human Shaman
Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.
1 /
3
{2}{R}{R}
Koth, Fire of Resistance
Legendary Planeswalker - Koth
+2: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle.
-3: Koth, Fire of Resistance deals damage to target creature equal to the number of Mountains you control.
-7: You get an emblem with "Whenever a Mountain enters the battlefield under your control, this emblem deals 4 damage to any target."
L:
4
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{1}{R}
Lightning Strike
Instant
Lightning Strike deals 3 damage to any target.
{3}{R}{R}
Mana Geyser
Sorcery
Add {R} for each tapped land your opponents control.
{1}{R}{R}
Mechanized Warfare
Enchantment
If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
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}.)
--
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}.)
--
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}.)
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{1}{R}
Price of Progress
Instant
Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.
{5}
Pyromancer's Gauntlet
Artifact
If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.
{5}
Pyromancer's Goggles
Legendary Artifact
{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.
--
Ramunap Ruins
Land - Desert
{T}: Add {C}.
{T}, Pay 1 life: Add {R}.
{2}{R}{R}, {T}, Sacrifice a Desert: Ramunap Ruins deals 2 damage to each opponent.
{4}{R}{R}
Red Dragon
Creature - Dragon
Flying
Fire Breath -- When Red Dragon enters the battlefield, it deals 4 damage to each opponent.
4 /
4
{2}
Ring of Valkas
Artifact - Equipment
Equipped creature has haste. (It can attack and {T} no matter when it came under your control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R}
Scytheclaw Raptor
Creature - Dinosaur
Whenever a player casts a spell, if it's not their turn, Scytheclaw Raptor deals 4 damage to them.
4 /
3
{2}{R}
Seething Song
Instant
Add {R}{R}{R}{R}{R}.
--
Shivan Gorge
Legendary Land
{T}: Add {C}.
{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.
{R}
Shock
Instant
Shock deals 2 damage to any target.
{2}{R}
Sin Prodder
Creature - Devil
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.
3 /
2
{1}{R}
Smash to Smithereens
Instant
Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.
--
Smoldering Crater
Land
Smoldering Crater enters the battlefield tapped.
{T}: Add {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{R}{R}
Solphim, Mayhem Dominus
Legendary Creature - Phyrexian Horror
If a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals double that damage to that player or permanent instead.
{1}{R/P}{R/P}, Discard two cards: Put an indestructible counter on Solphim, Mayhem Dominus. ({R/P} can be paid with either {R} or 2 life.)
5 /
4
{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.
{2}{R}{R}
Tectonic Giant
Creature - Elemental Giant
Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one --
• Tectonic Giant deals 3 damage to each opponent.
• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.
3 /
4
--
The Autonomous Furnace
Land - Sphere
The Autonomous Furnace enters the battlefield tapped.
{T}: Add {R}.
{1}{R}, {T}, Sacrifice The Autonomous Furnace: Draw a card.
{1}{R}
Thermo-Alchemist
Creature - Human Shaman
Defender
{T}: Thermo-Alchemist deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.
0 /
3
{2}{R}{R}
Toralf, God of Fury
Legendary Creature - God
Trample
Whenever a creature or planeswalker an opponent controls is dealt excess noncombat damage, Toralf deals damage equal to the excess to any target other than that permanent.
5 /
4
--
Toralf's Hammer
Legendary Artifact - Equipment
Equipped creature has "{1}{R}, {T}, Unattach Toralf's Hammer: It deals 3 damage to any target. Return Toralf's Hammer to its owner's hand."
Equipped creature gets +3/+0 as long as it's legendary.
Equip {1}{R}
5 /
4
{1}{R}{R}{R}
Torbran, Thane of Red Fell
Legendary Creature - Dwarf Noble
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.
2 /
4
{2}{R}{R}
Unexpected Windfall
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")