Crucible of Worlds

Zo-Zu the Punisher

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

Ankh of Mishra

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Bust

Boom

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

Boom // Bust

Wake of Destruction

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

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.)

Detritivore

Detritivore's power and toughness are each equal to the number of nonbasic land cards in your opponents' graveyards.
Suspend X—{X}{3}{R}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{3}{R} and exile it with X 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. It has haste.)
Whenever a time counter is removed from this card while it's exiled, destroy target nonbasic land.

Price of Progress

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Kaervek the Merciless

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Ruination

Price of Glory

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

Tectonic Instability

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

Mine Layer

{1}{R}, {T}: Put a mine counter on target land.
Whenever a land with a mine counter on it becomes tapped, destroy it.
When this creature leaves the battlefield, remove all mine counters from all lands.

Boil

Obsidian Fireheart

{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 this creature has left the battlefield.)

Acidic Soil

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

Molten Rain

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

Blood Sun

When this enchantment enters, draw a card.
All lands lose all abilities except mana abilities.

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.

Wildfire

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

Destructive Force

Each player sacrifices five lands of their choice. Destructive Force deals 5 damage to each creature.

War's Toll

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.

Invader Parasite

Imprint — When this creature enters, exile target land.
Whenever a land an opponent controls with the same name as the exiled card enters, this creature deals 2 damage to that player.

Melt Terrain

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

Stoneshaker Shaman

At the beginning of each player's end step, that player sacrifices an untapped land of their choice.

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.

Star of Extinction

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

Manabarbs

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

Pillage

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

Stone Rain

Fissure

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

Goblin Gardener

When this creature dies, destroy target land.

Demolish

Krenko's Buzzcrusher

Flying, trample
When this creature enters, for each player, destroy up to one nonbasic land that player controls. For each land destroyed this way, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Seismic Spike

Raze

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

Akki Blizzard-Herder

When this creature dies, each player sacrifices a land of their choice.

Dingus Egg

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

Sunspine Lynx

Players can't gain life.
Damage can't be prevented.
When this creature enters, it deals damage to each player equal to the number of nonbasic lands that player controls.

Tunnel Ignus

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

Burning Sands

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

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.

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.

Volcanic Offering

Destroy target nonbasic land you don't control and target nonbasic land of an opponent's choice you don't control.
Volcanic Offering deals 7 damage to target creature you don't control and 7 damage to target creature of an opponent's choice you don't control.

Lava Blister

Destroy target nonbasic land unless its controller has Lava Blister deal 6 damage to them.

Citadel of Pain

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