Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with Arcane Bombardment. You may cast any number of the copies without paying their mana costs.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{X}{R}
Banefire
Sorcery
Banefire deals X damage to any target.
If X is 5 or more, this spell can't be countered and the damage can't be prevented.
{3}{R}
Big Score
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.")
{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.
{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.
{1}{R}
Braid of Fire
Enchantment
Cumulative upkeep--Add {R}. (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.)
{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 Reunion
Sorcery
As an additional cost to cast this spell, discard two cards.
Draw three 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
{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.
{X}{X}{X}{R}{R}
Crackle with Power
Sorcery
Crackle with Power deals five times X damage to each of up to X targets.
{1}{R}{R}
Delayed Blast Fireball
Instant
Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead.
Foretell {4}{R}{R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{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}{R}{R}
Dualcaster Mage
Creature - Human Wizard
Flash
When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.
2 /
2
{X}{R}{R}
Electrodominance
Instant
Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.
{1}{R}
Electrostatic Field
Creature - Wall
Defender
Whenever you cast an instant or sorcery spell, Electrostatic Field deals 1 damage to each opponent.
0 /
4
{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
{R}
Faithless Looting
Sorcery
Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{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
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{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.
{3}{R}{R}{R}
Fiery Emancipation
Enchantment
If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.
{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.
{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.
{R}{R}{R}
Flamebreak
Sorcery
Flamebreak deals 3 damage to each creature without flying and each player. Creatures dealt damage this way can't be regenerated this turn.
{2}{R}
Glittering Stockpile
Artifact - Treasure
{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.
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{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}{R}{R}{R}{R}
Invoke Calamity
Instant
You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.
{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.
{2}{R}
Jeska's Will
Sorcery
Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Add {R} for each card in target opponent's hand.
• Exile the top three cards of your library. You may play them this turn.
{1}{R}
Kessig Flamebreather
Creature - Human Shaman
Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.
1 /
3
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{2}
Liquimetal Torque
Artifact
{T}: Add {C}.
{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.
{2}{R}
Magus of the Wheel
Creature - Human Wizard
{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.
3 /
3
{3}{R}{R}
Mana Geyser
Sorcery
Add {R} for each tapped land your opponents control.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{3}{R}
Mizzix's Mastery
Sorcery
Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery.
Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
--
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}.)
--
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.
{R}
Pyroblast
Instant
Choose one --
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.
{R}
Quest for Pure Flame
Enchantment
Whenever a source you control deals damage to an opponent, you may put a quest counter on Quest for Pure Flame.
Remove four quest counters from Quest for Pure Flame and sacrifice it: If any source you control would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.
{R}
Red Elemental Blast
Instant
Choose one --
• Counter target blue spell.
• Destroy target blue permanent.
{1}{R}{R}
Reiterate
Instant
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Copy target instant or sorcery spell. You may choose new targets for the copy.
{2}{R}
Risk Factor
Instant
Target opponent may have Risk Factor deal 4 damage to them. If that player doesn't, you draw three cards.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)
{2}
Ruby Medallion
Artifact
Red spells you cast cost {1} less to cast.
{1}{R}
Runaway Steam-Kin
Creature - Elemental
Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.
Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.
1 /
1
{R}
Sawblade Scamp
Creature - Phyrexian Beast
Haste
Whenever you cast a noncreature spell, put an oil counter on Sawblade Scamp.
{T}, Remove an oil counter from Sawblade Scamp: It deals 1 damage to each opponent.
1 /
1
{2}{R}
Seething Song
Instant
Add {R}{R}{R}{R}{R}.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{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
{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
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{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
{1}{R}
Tormenting Voice
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{1}{R}
Grapeshot
Sorcery
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.)
{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.
{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.