Acidic Soil deals damage to each player equal to the number of lands they control.

Arc Trail deals 2 damage to any target and 1 damage to another target.

Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets.

Forked Bolt deals 2 damage divided as you choose among one or two targets.

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

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.

Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.

+1: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way. +1: Chandra, Heart of Fire deals 2 damage to any target. −9: Search your graveyard and library for any number of red instant and/or sorcery cards, exile them, then shuffle. You may cast them this turn. Add six {R}.

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.

Whenever another creature dies, you may have Hissing Iguanar deal 1 damage to target player or planeswalker.

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

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.

If Leyline of Lightning is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, Leyline of Lightning deals 1 damage to target player or planeswalker.

Defender, reach {T}: Brimstone Trebuchet deals 1 damage to each opponent. Whenever a Knight enters the battlefield under your control, untap Brimstone Trebuchet.

{T}: Cinder Pyromancer deals 1 damage to target player or planeswalker. Whenever you cast a red spell, you may untap Cinder Pyromancer.

Defender {T}: Spear Spewer deals 1 damage to each player.

Landfall — Whenever a land enters the battlefield under your control, Spitfire Lagac deals 1 damage to each opponent.

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

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.

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

At the beginning of each upkeep, Magmatic Force deals 3 damage to any target.

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.

Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.

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.

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

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.

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. −2: Jaya, Venerated Firemage deals 2 damage to any target.

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.

Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

({T}: Add {R}.) Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains. When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

({T}: Add {R}.)

Nonbasic lands are Mountains.

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

{T}: Destroy target land unless its controller has Dwarven Driller deal 2 damage to them.

Nonbasic lands are Mountains.

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

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

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Spiteful Repossession deals damage to each opponent who controls more lands than you equal to the difference. Then create a number of Treasure tokens equal to the damage dealt this way.

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

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

{T}: Add {R}. Put a stash counter on Glittering Stockpile. {T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

+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."

Add {R} for each tapped land your opponents control.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}: Target creature gains haste until end of turn.

Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.

Equipped creature gets +1/+1 for each Dwarf, Equipment, and/or Vehicle you control. Equip {2}

{T}: Put a fuse counter on target creature. At the beginning of your upkeep, put a fuse counter on each creature with a fuse counter on it. Whenever a creature has four or more fuse counters on it, remove all fuse counters from it and destroy it. That creature deals 4 damage to its controller.

Equipped creature gets +2/+0. Equip {1}

Haste

Indestructible (Effects that say "destroy" don't destroy this artifact.) Equipped creature gets +2/+0. Equip {2}

Whenever Dwarven Berserker becomes blocked, it gets +3/+0 and gains trample until end of turn.

{2}{R}, {T}: Destroy target nonbasic land. Morph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

When Dwarven Hammer enters the battlefield, you may pay {2}. If you do, create a 2/1 red Dwarf Berserker creature token, then attach Dwarven Hammer to it. Equipped creature gets +3/+0 and has trample. Equip {3}

{2}{R}, {T}: Destroy target nonbasic land.

{1}{R}, {T}: Target Dwarf creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

When Dwarven Recruiter enters the battlefield, search your library for any number of Dwarf cards, reveal them, then shuffle and put those cards on top in any order.

Boast — {2}{R}: Create a 2/1 red Dwarf Berserker creature token. (Activate only if this creature attacked this turn and only once each turn.)

Attacking non-Human creatures you control get +1/+0 and have trample.

{1}{R}, {T}: Put a mine counter on target land. Whenever a land with a mine counter on it becomes tapped, destroy it. When Mine Layer leaves the battlefield, remove all mine counters from all lands.

Dwarven Ruins enters the battlefield tapped. {T}: Add {R}. {T}, Sacrifice Dwarven Ruins: Add {R}{R}.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent."

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

Whenever a nontoken creature enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

As Mirror of the Forebears enters the battlefield, choose a creature type. {1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

Seven Dwarves gets +1/+1 for each other creature named Seven Dwarves you control. A deck can have up to seven cards named Seven Dwarves.

Imprint — When Soul Foundry enters the battlefield, you may exile a creature card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

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

At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control.

Haste As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Blazing Volley deals 1 damage to each creature your opponents control.

Flying Whenever an opponent is dealt noncombat damage, Chandra's Spitfire gets +3/+0 until end of turn.

Defender Whenever you cast an instant or sorcery spell, Electrostatic Field deals 1 damage to each opponent.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Hazardous Blast deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard. {3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

{T}: Prodigal Pyromancer deals 1 damage to any target.

Pyroclasm deals 2 damage to each creature.

Sundering Stroke deals 7 damage divided as you choose among one, two, or three targets. If at least seven red mana was spent to cast this spell, instead Sundering Stroke deals 7 damage to each of those permanents and/or players.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

{T}: Vithian Stinger deals 1 damage to any target. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player.