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

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

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

Flying

At the beginning of your draw step, draw an additional card.

At the beginning of your end step, discard your hand.

Nonbasic lands are Mountains.

When Blood Sun enters the battlefield, draw a card.

All lands lose all abilities except mana abilities.

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.)

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

Destroy X target artifacts.

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 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.

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.

+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.

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.

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

{T}: Add {C}.

{3}, {T}, Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

No more than two creatures can attack you each combat.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

Desert of the Fervent enters the battlefield tapped.

{T}: Add {R}.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

Flash

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

{T}: Add {C}.

When Dunes of the Dead is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

({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.

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

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.

Creatures with power greater than the number of cards in your hand can't attack.

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.)

Fault Line deals X damage to each creature without flying and each player.

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.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

Flame Rift deals 4 damage to each player.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

Cycling {R} ({R}, Discard this card: Draw a card.)

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

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

{T}: Add {C}.

{1}, {T}, Sacrifice Grasping Dunes: Put a -1/-1 counter on target creature. Activate only as a sorcery.

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.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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.

At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.

Imprint -- When Invader Parasite enters the battlefield, exile target land.

Whenever a land with the same name as the exiled card enters the battlefield under an opponent's control, Invader Parasite deals 2 damage to that player.

+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.'"

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.

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.

Lightning Bolt deals 3 damage to any target.

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

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

({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}.)

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.

{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.)

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.

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.

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.

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.

{T}: Add {C}.

{2}, {T}, Sacrifice a Desert: Exile all graveyards.

Discard a land card: Seismic Assault deals 2 damage to any target.

{T}: Add {C}.

{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

Sizzle deals 3 damage to each opponent.

Players can't untap more than one creature during their untap steps.

Smoldering Crater enters the battlefield tapped.

{T}: Add {R}.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

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

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.

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker.

{T}: Add {C}.

Whenever a land enters the battlefield, tap all lands its controller controls.

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 a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.

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}.

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

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

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.