As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.
2 /
2
{1}{R}
Ashling the Pilgrim
Legendary Creature - Elemental Shaman
{1}{R}: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from Ashling the Pilgrim, and it deals that much damage to each creature and each player.
1 /
1
{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.
{1}{R}
Brighthearth Banneret
Creature - Elemental Warrior
Elemental spells and Warrior spells you cast cost {1} less to cast.
Reinforce 1--{1}{R} ({1}{R}, Discard this card: Put a +1/+1 counter on target creature.)
1 /
1
{R}
Burst Lightning
Instant
Kicker {4} (You may pay an additional {4} as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.
{3}{R}{R}
Earth Elemental
Creature - Elemental
4 /
5
{5}{R}
Earth Servant
Creature - Elemental
Earth Servant gets +0/+1 for each Mountain you control.
4 /
4
{3}{R}
Embodiment of Fury
Creature - Elemental
Trample
Land creatures you control have trample.
Landfall -- Whenever a land enters the battlefield under your control, you may have target land you control become a 3/3 Elemental creature with haste until end of turn. It's still a land.
4 /
3
{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
{3}{R}
Flame-Kin War Scout
Creature - Elemental Scout
When another creature enters the battlefield, sacrifice Flame-Kin War Scout. If you do, Flame-Kin War Scout deals 4 damage to that creature.
2 /
4
{R}
Flamekin Harbinger
Creature - Elemental Shaman
When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.
1 /
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}{R}{R}{R}
Geosurge
Sorcery
Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.
{4}{R}{R}
Greater Stone Spirit
Creature - Elemental Spirit
Greater Stone Spirit can't be blocked by creatures with flying.
{2}{R}: Until end of turn, target creature gets +0/+2 and gains "{R}: This creature gets +1/+0 until end of turn."
4 /
4
{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.
{2}{R}{R}
Hound of Griselbrand
Creature - Elemental Dog
Double strike
Undying (When this creature 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.)
2 /
2
{1}{R}
Impact Tremors
Enchantment
Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.
{2}{R}
Incandescent Soulstoke
Creature - Elemental Shaman
Other Elemental creatures you control get +1/+1.
{1}{R}, {T}: You may put an Elemental creature card from your hand onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.
2 /
2
{4}{R}
Jaya, Venerated Firemage
Legendary Planeswalker - Jaya
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.
L:
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
{1}{R}
Lava Blister
Sorcery
Destroy target nonbasic land unless its controller has Lava Blister deal 6 damage to them.
{1}{R}
Lava Coil
Sorcery
Lava Coil deals 4 damage to target creature. If that creature would die this turn, exile it instead.
{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.
{1}{R}{R}
Molten Birth
Sorcery
Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.
--
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}.)
{1}{R}{R}{R}
Obsidian Fireheart
Creature - Elemental
{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)
4 /
4
{3}{R}
Parallectric Feedback
Instant
Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value.
{3}{R}
Purphoros, God of the Forge
Legendary Enchantment Creature - God
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.
6 /
5
{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
{3}{R}{R}
Scourge of Geier Reach
Creature - Elemental
Scourge of Geier Reach gets +1/+1 for each creature your opponents control.
3 /
3
{R}
Shock
Instant
Shock deals 2 damage to any target.
{1}{R}{R}
Slagstorm
Sorcery
Choose one --
• Slagstorm deals 3 damage to each creature.
• Slagstorm deals 3 damage to each player.
{1}{R}
Smokebraider
Creature - Elemental Shaman
{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.
1 /
1
{R}{R}
Stigma Lasher
Creature - Elemental Shaman
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever Stigma Lasher deals damage to a player, that player can't gain life for the rest of the game.
2 /
2
{1}{R}
Sunflare Shaman
Creature - Elemental Shaman
{1}{R}, {T}: Sunflare Shaman deals X damage to any target and X damage to itself, where X is the number of Elemental cards in your graveyard.
2 /
1
{X}{R}
Tempt with Vengeance
Sorcery
Tempting offer -- Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.
{5}{R}
Thundermare
Creature - Elemental Horse
Haste (This creature can attack and {T} as soon as it comes under your control.)
When Thundermare enters the battlefield, tap all other creatures.
5 /
5
{5}{R}
Warstorm Surge
Enchantment
Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.
{3}{R}{R}
Wolf of Devil's Breach
Creature - Elemental Wolf
Whenever Wolf of Devil's Breach attacks, you may pay {1}{R} and discard a card. If you do, Wolf of Devil's Breach deals damage to target creature or planeswalker equal to the discarded card's mana value.