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

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

First strike, haste

Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Blast Zone enters the battlefield with a charge counter on it.

{T}: Add {C}.

{X}{X}, {T}: Put X charge counters on Blast Zone.

{3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

Nonbasic lands are Mountains.

Destroy all Islands.

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

{2}{R}, {T}: Brash Taunter fights another target creature.

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

Whenever a creature dies, that creature's controller sacrifices a land.

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

This spell can't be countered.

+2: Each opponent gets an emblem with "At the beginning of your upkeep, this emblem deals 1 damage to you."

-3: Chandra, Awakened Inferno deals 3 damage to each non-Elemental creature.

-X: Chandra, Awakened Inferno deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

Whenever you cast a red spell, untap Chandra, Fire of Kaladesh.

{T}: Chandra, Fire of Kaladesh deals 1 damage to target player or planeswalker. If Chandra has dealt 3 or more damage this turn, exile her, then return her to the battlefield transformed under her owner's control.

+1: Chandra, Roaring Flame deals 2 damage to target player or planeswalker.

-2: Chandra, Roaring Flame deals 2 damage to target creature.

-7: Chandra, Roaring Flame deals 6 damage to each opponent. Each player dealt damage this way gets an emblem with "At the beginning of your upkeep, this emblem deals 3 damage to you."

+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}.

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent.

+1: Add {R}{R}.

-3: Chandra, Torch of Defiance deals 4 damage to target creature.

-7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

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.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

No more than two creatures can attack you each combat.

If you control a commander, you may cast this spell without paying its mana cost.

You may choose new targets for target spell or ability.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.

Earthquake deals X damage to each creature without flying and each player.

Whenever a player casts a spell with mana value 3 or less, Eidolon of the Great Revel deals 2 damage to that player.

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.

Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

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.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

You may sacrifice two Mountains rather than pay this spell's mana cost.

Fireblast deals 4 damage to any target.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

{T}: Add three mana of any one color.

Sacrifice a snow Mountain: Prevent all combat damage that would be dealt this turn.

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.

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.

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.

{T}: Add {C}.

{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Lightning Bolt deals 3 damage to any target.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Nonbasic lands are Mountains.

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

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

As Outpost Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.

• Dragons -- Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

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.

Choose one --

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player.

Menace

Players can't gain life.

Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.

{T}: Add {C}.

{T}, Pay 1 life: Add {R}.

{2}{R}{R}, {T}, Sacrifice a Desert: Ramunap Ruins deals 2 damage to each opponent.

Choose one --

• Counter target blue spell.

• Destroy target blue permanent.

Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

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.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Red spells you cast cost {1} less to cast.

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}.

Haste

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Whenever an opponent casts a noncreature spell, if Scab-Clan Berserker is renowned, Scab-Clan Berserker deals 2 damage to that player.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

{T}: Add {C}{C}.

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

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.

Your opponents can't search libraries.

If an opponent would begin an extra turn, that player skips that turn instead.

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.

You have no maximum hand size.

{T}: Add {C}.

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.

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.

Landfall -- Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.

At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

{T}: Add {R}.

{1}{R}, {T}: Destroy target artifact. Viashino Heretic deals damage to that artifact's controller equal to the artifact's mana value.

This spell can't be countered.

Volcanic Fallout deals 2 damage to each creature and each player.

Whenever an opponent taps a land for mana, tap all lands that player controls.

If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

Whenever a land enters the battlefield, Zo-Zu the Punisher deals 2 damage to that land's controller.