Wizards of Thay

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Instant and sorcery spells you cast cost {1} less to cast.
You may cast sorcery spells as though they had flash.

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.

Mind Stone

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

Seismic Shift

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

Victorious Destruction

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

Izzet Signet

Young Pyromancer

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

Mountain

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.

Rain of Rust

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

Fire Diamond

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

Blood Moon

Cryoclasm

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

Stone Rain

Reign of Chaos

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

Rain of Salt

Aftershock

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

Lay Waste

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

Pillage

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

Rubble Reading

Hypersonic Dragon

Flying, haste
You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Survey the Wreckage

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

Vandalize

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

Sky Diamond

Ghoulcaller's Bell

Molten Rain

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

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.

Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.

Worn Powerstone

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

Violent Impact

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

Melt Terrain

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

Demolish

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.

Perpetual Timepiece

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

Into the Maw of Hell

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

Earth Rift

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

Dualcaster Mage

Flash
When Dualcaster Mage enters, copy target instant or sorcery spell. You may choose new targets for the copy.

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.)

Fissure Vent

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

Grindclock

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

Double Vision

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

Seismic Spike

Island

Tectonic Rift

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

Scorch the Fields

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

Lava Flow

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.)

Volcanic Upheaval

Prismatic Lens

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

Fissure

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

Chronic Flooding

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

Volcanic Submersion

Wake of Destruction

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

Devastate

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

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.)

Talrand, Sky Summoner

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Arcane Signet

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

Swarm Intelligence

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

Sunder from Within

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.

Implode

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.")

Fire of Orthanc

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

Craterize

Guttersnipe

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

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.

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.

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.