Scorched Earth

As an additional cost to cast this spell, discard X land cards.
Destroy X target lands.

Brink of Disaster

Enchant creature or land
When enchanted permanent becomes tapped, destroy it.

Roiling Terrain

Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard.

Encroaching Wastes

{T}: Add {C}.
{4}, {T}, Sacrifice Encroaching Wastes: Destroy target nonbasic land.

Polluted Dead

When Polluted Dead dies, destroy target land.

Earth Rift

Destroy target land.
Flashback {5}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Dwarven Blastminer

{2}{R}, {T}: Destroy target nonbasic land.
Morph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Waking the Trolls

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy target land.
II — Put target land card from a graveyard onto the battlefield under your control.
III — Choose target opponent. If they control fewer lands than you, create a number of 4/4 green Troll Warrior creature tokens with trample equal to the difference.

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Devastate

Destroy target land. Devastate deals 1 damage to each creature and each player.

Rancid Earth

Destroy target land.
Threshold — If seven or more cards are in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Plunder

Destroy target artifact or land.
Suspend 4—{1}{R} (Rather than cast this card from your hand, you may pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Kodama's Reach

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Timbercrown Pathway

Cragcrown Pathway

Cragcrown Pathway // Timbercrown Pathway

Badlands

Poison the Well

Destroy target land. Poison the Well deals 2 damage to that land's controller.

Sol Ring

Thermokarst

Destroy target land. If that land was a snow land, you gain 1 life.

Awakening

At the beginning of each upkeep, untap all creatures and lands.

Keldon Arsonist

{1}, Sacrifice two lands: Destroy target land.

Seismic Mage

{2}{R}, {T}, Discard a card: Destroy target land.

Landfill

Choose a land type. Exile all lands you control of that type. Drop those cards, one at a time, onto the playing area from a height of at least one foot. Destroy each permanent completely covered by those cards. Then return the cards you dropped to the battlefield tapped.

Demonic Hordes

{T}: Destroy target land.
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

Victorious Destruction

Destroy target artifact or land. Its controller loses 1 life.

Smashing Success

Destroy target artifact or land. If an artifact is destroyed this way, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Aftershock

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

Mountain

Deadly Rollick

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

Rain of Rust

Choose one —
• Destroy target artifact.
• Destroy target land.
Entwine {3}{R} (Choose both if you pay the entwine cost.)

Icefall

Destroy target artifact or land.
Recover {R}{R} (When a creature is put into your graveyard from the battlefield, you may pay {R}{R}. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

Blight

Enchant land
When enchanted land becomes tapped, destroy it.

Skyshroud Claim

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Desecration Plague

Boseiju, Who Endures

{T}: Add {G}.
Channel — {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

Desecrated Earth

Destroy target land. Its controller discards a card.

Melt Terrain

Destroy target land. Melt Terrain deals 2 damage to that land's controller.

Cinder Glade

({T}: Add {R} or {G}.)
Cinder Glade enters tapped unless you control two or more basic lands.

Volcanic Submersion

Destroy target artifact or land.
Cycling {2} ({2}, Discard this card: Draw a card.)

Cryoclasm

Destroy target Plains or Island. Cryoclasm deals 3 damage to that land's controller.

Bedazzle

Destroy target nonbasic land. Bedazzle deals 2 damage to target opponent or planeswalker.

Bedeck

Target creature gets +3/-3 until end of turn.

Bedeck // Bedazzle

Violent Impact

Gnottvold Slumbermound

Gnottvold Slumbermound enters tapped.
{T}: Add {R}.
{3}{R}{G}{G}, {T}, Sacrifice Gnottvold Slumbermound: Destroy target land. Create a 4/4 green Troll Warrior creature token with trample.

Rolling Spoil

Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn.

Creeping Mold

Destroy target artifact, enchantment, or land.

Befoul

Destroy target land or nonblack creature. It can't be regenerated.

Star of Extinction

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.

Rain of Thorns

Choose one or more —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target land.

Wasteland

{T}: Add {C}.
{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Pillage

Destroy target artifact or land. It can't be regenerated.

Dwarven Miner

{2}{R}, {T}: Destroy target nonbasic land.

Reign of Chaos

Choose one —
• Destroy target Plains and target white creature.
• Destroy target Island and target blue creature.

Frenzied Tilling

Destroy target land. Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Into the Maw of Hell

Destroy target land. Into the Maw of Hell deals 13 damage to target creature.

Numot, the Devastator

Flying
Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.

Reclaiming Vines

Arcane Signet

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

Army Ants

{T}, Sacrifice a land: Destroy target land.

Lay Waste

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

Implode

Gyrus, Waker of Corpses

Gyrus, Waker of Corpses enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.
Whenever Gyrus attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that's a copy of that card and that's tapped and attacking. Exile the token at end of combat.

Vandalize

Choose one or both —
• Destroy target artifact.
• Destroy target land.

Bust

Boom

Destroy target land you control and target land you don't control.

Boom // Bust

Molten Rain

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Goblin Settler

When Goblin Settler enters, destroy target land.

Dwarven Landslide

Kicker—{2}{R}, Sacrifice a land. (You may pay {2}{R} and sacrifice a land in addition to any other costs as you cast this spell.)
Destroy target land. If this spell was kicked, destroy another target land.

Bear Umbra

Enchant creature
Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control."
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Stream of Acid

Destroy target land or nonblack creature.

Ravenous Baboons

When Ravenous Baboons enters, destroy target nonbasic land.

Blood Crypt

({T}: Add {B} or {R}.)
As Blood Crypt enters, you may pay 2 life. If you don't, it enters tapped.

Forest

Helldozer

{B}{B}{B}, {T}: Destroy target land. If that land was nonbasic, untap Helldozer.

Fire Snake

When Fire Snake dies, destroy target land.

Ogre Arsonist

When Ogre Arsonist enters, destroy target land.

Rats of Rath

{B}: Destroy target artifact, creature, or land you control.

Goblin Grenadiers

Whenever Goblin Grenadiers attacks and isn't blocked, you may sacrifice it. If you do, destroy target creature and target land.

Feast of Worms

Destroy target land. If that land was legendary, its controller sacrifices another land of their choice.

Blooming Marsh

Blooming Marsh enters tapped unless you control two or fewer other lands.
{T}: Add {B} or {G}.

Ice Storm

Incendiary Command

Choose two —
• Incendiary Command deals 4 damage to target player or planeswalker.
• Incendiary Command deals 2 damage to each creature.
• Destroy target nonbasic land.
• Each player discards all the cards in their hand, then draws that many cards.

Wreak Havoc

This spell can't be countered.
Destroy target artifact or land.

Rain of Tears

Fissure

Destroy target creature or land. It can't be regenerated.

Fumarole

As an additional cost to cast this spell, pay 3 life.
Destroy target creature and target land.

Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Maw of the Mire

Casualties of War

Choose one or more —
• Destroy target artifact.
• Destroy target creature.
• Destroy target enchantment.
• Destroy target land.
• Destroy target planeswalker.

Searstep Pathway

Blightstep Pathway

Blightstep Pathway // Searstep Pathway

Winter's Grasp

Dust Bowl

{T}: Add {C}.
{3}, {T}, Sacrifice a land: Destroy target nonbasic land.

Faultgrinder

Trample
When Faultgrinder enters, destroy target land.
Evoke {4}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Guardian Project

Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Seismic Spike

Lava Flow

Rubble Reading

Cultivate

Suffering

Pain

Pain // Suffering

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Despoil

Destroy target land. Its controller loses 2 life.

Fire of Orthanc

Destroy target artifact or land. Creatures without flying can't block this turn.

Ziatora's Proving Ground

({T}: Add {B}, {R}, or {G}.)
Ziatora's Proving Ground enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Spreading Rot

Deus of Calamity

Trample
Whenever Deus of Calamity deals 6 or more damage to an opponent, destroy target land that player controls.

Swamp

Orcish Settlers

{X}{X}{R}, {T}, Sacrifice Orcish Settlers: Destroy X target lands.