Flowstone Flood

Buyback—Pay 3 life, Discard a card at random. (You may pay 3 life and discard a card at random in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target land.

Have

Izzet Signet

Wake of Destruction

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

Lava Flow

Lavaball Trap

If an opponent had two or more lands enter the battlefield under their control this turn, you may pay {3}{R}{R} rather than pay this spell's mana cost.
Destroy two target lands. Lavaball Trap deals 4 damage to each creature.

Pillage

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

Sunder from Within

Fissure Vent

Choose one or both —
• Destroy target artifact.
• Destroy target nonbasic 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.)

Lay Waste

Destroy target 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.

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.")

The Fall of Kroog

Choose target opponent. Destroy target land that player controls. The Fall of Kroog deals 3 damage to that player and 1 damage to each creature they control.

Volcanic Awakening

Destroy target land.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Tectonic Rift

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

Demolish

Sky Diamond

Seismic Spike

Implode

Wand of Vertebrae

{T}: Mill a card.
{2}, {T}, Exile Wand of Vertebrae: Shuffle up to five target cards from your graveyard into your library.

Fissure

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

Molten Rain

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

Perpetual Timepiece

{T}: Mill two cards.
{2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

Volcanic Upheaval

Craterize

Seismic Shift

Destroy target land. Up to two target creatures can't block this turn.

Commander's Sphere

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

Victorious Destruction

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

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.)

Don't Have

Grindclock

{T}: Put a charge counter on Grindclock.
{T}: Target player mills X cards, where X is the number of charge counters on Grindclock.

Ghoulcaller's Bell

Melt Terrain

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

Survey the Wreckage

Destroy target land. Create a 1/1 red Goblin creature token.

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.)

Reign of Chaos

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

Mind Stone

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

Violent Impact

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

Rubble Reading

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Watertight Gondola

Vigilance
Descend 8 — Watertight Gondola can't be blocked as long as there are eight or more permanent cards in your graveyard.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Waterlogged Hulk

{T}: Mill a card. (Put the top card of your library into your graveyard.)
Craft with Island {3}{U} ({3}{U}, Exile this artifact, Exile an Island you control or an Island card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Waterlogged Hulk // Watertight Gondola

Island

Stone Rain

Devastate

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

Into the Maw of Hell

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

Worn Powerstone

Worn Powerstone enters tapped.
{T}: Add {C}{C}.

Wondrous Crucible

Permanents you control have ward {2}.
At the beginning of your end step, mill two cards, then exile a nonland card at random from your graveyard. Copy it. You may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.)

Chronic Flooding

Enchant land
Whenever enchanted land becomes tapped, its controller mills three cards.

Arcane Signet

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

Aftershock

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

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.

Getting

Melek, Izzet Paragon

Play with the top card of your library revealed.
You may cast instant and sorcery spells from the top of your library.
Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

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.

Scorch the Fields

Destroy target land. Scorch the Fields deals 1 damage to each Human creature.

Rain of Rust

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

Double Vision

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

Vandalize

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

Rain of Salt

Volcanic Submersion

Codex Shredder

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)
{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

Prismatic Lens

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Fire of Orthanc

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

Swarm Intelligence

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

Midnight Clock

{T}: Add {U}.
{2}{U}: Put an hour counter on Midnight Clock.
At the beginning of each upkeep, put an hour counter on Midnight Clock.
When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Mountain

Hedron Archive

{T}: Add {C}{C}.
{2}, {T}, Sacrifice this artifact: Draw two cards.