As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.
2 /
2
--
Barbarian Ring
Land
{T}: Add {R}. Barbarian Ring deals 1 damage to you.
Threshold -- {R}, {T}, Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.
--
Blasted Landscape
Land
{T}: Add {C}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{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}
Cathartic Reunion
Sorcery
As an additional cost to cast this spell, discard two cards.
Draw three cards.
{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.
{1}{R}
Cleansing Wildfire
Sorcery
Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
Draw a card.
{0}
Dark Sphere
Artifact
{T}, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.
--
Desert of the Fervent
Land - Desert
Desert of the Fervent enters the battlefield tapped.
{T}: Add {R}.
Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
{R}
Desperate Gambit
Instant
Choose a source you control and flip a coin. If you win the flip, the next time that source would deal damage this turn, it deals double that damage instead. If you lose the flip, the next time it would deal damage this turn, prevent that damage.
{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
--
Dwarven Ruins
Land
Dwarven Ruins enters the battlefield tapped.
{T}: Add {R}.
{T}, Sacrifice Dwarven Ruins: Add {R}{R}.
{X}{R}
Earthquake
Sorcery
Earthquake deals X damage to each creature without flying and each player.
{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.
{4}{R}{R}
Etali, Primal Storm
Legendary Creature - Elder Dinosaur
Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.
6 /
6
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{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.)
{2}{R}
Fervor
Enchantment
Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)
{R}{R}
Final Fortune
Instant
Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.
{1}{R}
Firebrand Archer
Creature - Human Archer
Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.
2 /
1
--
Flamekin Village
Land
As Flamekin Village enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Flamekin Village enters the battlefield tapped.
{T}: Add {R}.
{R}, {T}: Target creature gains haste until end of turn.
{R}
Footfall Crater
Enchantment - Aura
Enchant land
Enchanted land has "{T}: Target creature gains trample and haste until end of turn."
Cycling {1} ({1}, Discard this card: Draw a card.)
--
Forgotten Cave
Land
Forgotten Cave enters the battlefield tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
--
Geier Reach Sanitarium
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.
{1}{R}
Generator Servant
Creature - Elemental
{T}, Sacrifice Generator Servant: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)
2 /
1
--
Glacial Chasm
Land
Cumulative upkeep--Pay 2 life. (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.)
When Glacial Chasm enters the battlefield, sacrifice a land.
Creatures you control can't attack.
Prevent all damage that would be dealt to you.
{1}{R}{R}
Glint-Horn Buccaneer
Creature - Minotaur Pirate
Haste
Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.
{1}{R}, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.
2 /
4
{2}{R}{R}{R}
Gratuitous Violence
Enchantment
If a creature you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{2}{R}
Grinning Ignus
Creature - Elemental
{R}, Return Grinning Ignus to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.
2 /
2
--
Hanweir Battlements
Land
{T}: Add {C}.
{R}, {T}: Target creature gains haste until end of turn.
{3}{R}{R}, {T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.
{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}
Heart of Ramos
Artifact
{T}: Add {R}.
Sacrifice Heart of Ramos: Add {R}.
{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}
Humble Defector
Creature - Human Rogue
{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.
2 /
1
{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
{1}{R}
Impact Resonance
Instant
Impact Resonance deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn.
{4}{R}{R}
Inferno Titan
Creature - Giant
{R}: Inferno Titan gets +1/+0 until end of turn.
Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose among one, two, or three targets.
6 /
6
{2}{R}{ // }{2}{R}
Insult // Injury
Sorcery // Sorcery
Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Injury deals 2 damage to target creature and 2 damage to target player or planeswalker.
{5}{R}{R}
Knollspine Dragon
Creature - Dragon
Flying
When Knollspine Dragon enters the battlefield, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.
7 /
5
{2}{R}{R}
Koth of the Hammer
Legendary Planeswalker - Koth
+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land.
-2: Add {R} for each Mountain you control.
-5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"
L:
3
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{1}{R}
Lightning Mauler
Creature - Human Berserker
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Lightning Mauler is paired with another creature, both creatures have haste.
2 /
1
{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}
Malignus
Creature - Elemental Spirit
Malignus's power and toughness are each equal to half the highest life total among your opponents, rounded up.
Damage that would be dealt by Malignus can't be prevented.
* /
*
{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.
--
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}.)
{2}{R}{R}
Neheb, Dreadhorde Champion
Legendary Creature - Zombie Minotaur Warrior
Trample
Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.
5 /
4
{3}{R}
Overblaze
Instant - Arcane
Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.
Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
{2}{R}
Rampaging Ferocidon
Creature - Dinosaur
Menace
Players can't gain life.
Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.
3 /
3
--
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.
{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.
{R}{R}
Reverberate
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{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.
{X}{R}
Rolling Earthquake
Sorcery
Rolling Earthquake deals X damage to each creature without horsemanship and each player.
{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
{5}{R}
Runehorn Hellkite
Creature - Dragon
Flying
{5}{R}, Exile Runehorn Hellkite from your graveyard: Each player discards their hand, then draws seven cards.
5 /
5
--
Scavenger Grounds
Land - Desert
{T}: Add {C}.
{2}, {T}, Sacrifice a Desert: Exile all graveyards.
{2}{R}
Seething Song
Instant
Add {R}{R}{R}{R}{R}.
--
Smoldering Crater
Land
Smoldering Crater enters the battlefield tapped.
{T}: Add {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{R}
Squee, Goblin Nabob
Legendary Creature - Goblin
At the beginning of your upkeep, you may return Squee, Goblin Nabob from your graveyard to your hand.
1 /
1
{X}{R}{R}
Starstorm
Instant
Starstorm deals X damage to each creature.
Cycling {3} ({3}, Discard this card: Draw a card.)
--
Sunscorched Desert
Land - Desert
When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker.
{T}: Add {C}.
{1}{R}{R}
Sweltering Suns
Sorcery
Sweltering Suns deals 3 damage to each creature.
Cycling {3} ({3}, Discard this card: Draw a card.)
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{1}{R}
Tibalt's Trickery
Instant
Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.
{1}{R}
Tormenting Voice
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards.
{3}{R}
Treasonous Ogre
Creature - Ogre Shaman
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Pay 3 life: Add {R}.
2 /
3
{1}{R}
Twinflame
Sorcery
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.
{1}{R}
Underworld Breach
Enchantment
Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)
At the beginning of the end step, sacrifice Underworld Breach.
{R}
Vandalblast
Sorcery
Destroy target artifact you don't control.
Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{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.
--
Witch's Clinic
Land
{T}: Add {C}.
{2}, {T}: Target commander gains lifelink until end of turn.
{4}{R}
Bitter Feud
Enchantment
As Bitter Feud enters the battlefield, choose two players.
If a source controlled by one of the chosen players would deal damage to the other chosen player or a permanent that player controls, that source deals double that damage to that player or permanent instead.
{1}{R}
Burnout
Instant
Counter target instant spell if it's blue.
Draw a card at the beginning of the next turn's upkeep.
{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}
Curse of Bloodletting
Enchantment - Aura Curse
Enchant player
If a source would deal damage to enchanted player, it deals double that damage to that player instead.
{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
{2}{R}{R}
Pyrohemia
Enchantment
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pyrohemia.
{R}: Pyrohemia deals 1 damage to each creature and each player.
{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.
{X}{R}{R}
Rolling Thunder
Sorcery
Rolling Thunder deals X damage divided as you choose among any number of targets.
--
Shivan Gorge
Legendary Land
{T}: Add {C}.
{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.
{R}
Spikefield Hazard
Instant
Spikefield Hazard deals 1 damage to any target. If a permanent dealt damage this way would die this turn, exile it instead.
--
Spikefield Cave
Land
Spikefield Cave enters the battlefield tapped.
{T}: Add {R}.
{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}
Viashino Heretic
Creature - Viashino
{1}{R}, {T}: Destroy target artifact. Viashino Heretic deals damage to that artifact's controller equal to the artifact's mana value.
1 /
3
{3}{R}{R}
Word of Seizing
Instant
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Untap target permanent and gain control of it until end of turn. It gains haste until end of turn.