Tremble

Each player sacrifices a land of their choice.

Thoughts of Ruin

Each player sacrifices a land of their choice for each card in your hand.

Rising Waters

Lands don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player untaps a land they control.

Grand Arbiter Augustin IV

White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.

Raze

As an additional cost to cast this spell, sacrifice a land.
Destroy target land.

Armageddon

Swamp

Ruination

Tectonic Break

Each player sacrifices X lands of their choice.

Chromatic Lantern

Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.

Sinkhole

Avalanche Riders

Haste
Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Avalanche Riders enters, destroy target land.

Ice Storm

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Ramunap Excavator

Mox Amber

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Blood Moon

Hokori, Dust Drinker

Island

Impending Disaster

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

Decree of Annihilation

Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands.
Cycling {5}{R}{R} ({5}{R}{R}, Discard this card: Draw a card.)
When you cycle Decree of Annihilation, destroy all lands.

Propaganda

Price of Glory

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Dragon Mage

Flying
Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Apocalypse

Exile all permanents. You discard your hand.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Choking Sands

Destroy target non-Swamp land. If that land was nonbasic, Choking Sands deals 2 damage to the land's controller.

Plains

Molten Rain

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

Winter's Grasp

Mountain

Back to Basics

Nonbasic lands don't untap during their controllers' untap steps.

Mana Breach

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Pillage

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

Boil

Fall of the Thran

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy all lands.
II, III — Each player returns two land cards from their graveyard to the battlefield.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Devastation

Sunder

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Conduit of Worlds

You may play lands from your graveyard.
{T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

Dingus Egg

Whenever a land is put into a graveyard from the battlefield, Dingus Egg deals 2 damage to that land's controller.

Army Ants

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

Wake of Destruction

Destroy target land and all other lands with the same name as that land.

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Global Ruin

Each player chooses from the lands they control a land of each basic land type, then sacrifices the rest.

Teferi's Puzzle Box

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.

Wayward Swordtooth

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
You may play an additional land on each of your turns.
Wayward Swordtooth can't attack or block unless you have the city's blessing.

Forest

Epicenter

Target player sacrifices a land of their choice.
Threshold — Each player sacrifices all lands they control instead if seven or more cards are in your graveyard.

Thermokarst

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

Field of Ruin

{T}: Add {C}.
{2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Child of Alara

Trample
When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Elvish Mystic

Crucible of Worlds

Command Tower

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

Obliterate

This spell can't be countered.
Destroy all artifacts, creatures, and lands. They can't be regenerated.

Catastrophe

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

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.

Static Orb

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

Perennial Behemoth

You may play lands from your graveyard.
Unearth {G}{G} ({G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Arcane Signet

Stasis

Players skip their untap steps.
At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Cleansing Wildfire

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.

Bust

Boom

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

Boom // Bust

Rain of Tears

Stone Rain

Boiling Seas

Jokulhaups

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Wildfire

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

Azusa, Lost but Seeking

You may play two additional lands on each of your turns.

Keldon Firebombers

When Keldon Firebombers enters, each player sacrifices all lands they control except for three.