Meltdown

Destroy each artifact with mana value X or less.

Sol Ring

Comet Storm

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)
Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Harmonize

Decimate

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Lay Waste

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

Reclaiming Vines

Destroy target artifact, enchantment, or land.

Tectonic Rift

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

Bonus Round

Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Pillage

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

Fissure

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

Tremble

Each player sacrifices a land of their choice.

Beast Within

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

Cryoclasm

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

Heroic Intervention

Permanents you control gain hexproof and indestructible until end of turn.

Temple of Abandon

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{T}: Add {R} or {G}.

Tribute to the Wild

Each opponent sacrifices an artifact or enchantment of their choice.

Druid of Purification

When Druid of Purification enters, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent chosen this way.

Big Score

As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Dragonlair Spider

Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

Glittering Stockpile

{T}: Add {R}. Put a stash counter on Glittering Stockpile.
{T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

Early Harvest

Target player untaps all basic lands they control.

Artifact Mutation

Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.

Young Pyromancer

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

Reiterate

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Copy target instant or sorcery spell. You may choose new targets for the copy.

Invoke Calamity

You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.

Roiling Regrowth

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Rain of Rust

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

Seismic Spike

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.

Thrill of Possibility

As an additional cost to cast this spell, discard a card.
Draw two cards.

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.)

Abundant Harvest

Choose land or nonland. Reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and the rest on the bottom of your library in a random order.

Omen of Fire

Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent of their choice for each white permanent they control.

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.

Violent Impact

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

Krosan Grip

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Destroy target artifact or enchantment.

Twinning Staff

If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy.
{7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Manamorphose

Add two mana in any combination of colors.
Draw a card.

Frenzied Tilling

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

Star of Extinction

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

Scavenger Grounds

{T}: Add {C}.
{2}, {T}, Sacrifice a Desert: Exile all graveyards.

Explore

You may play an additional land this turn.
Draw a card.

Sunder from Within

Primal Wellspring

(Transforms from Primal Amulet.)
{T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery spell, copy that spell and you may choose new targets for the copy.

Primal Amulet

Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, put a charge counter on Primal Amulet. Then if there are four or more charge counters on it, you may remove those counters and transform it.

Primal Amulet // Primal Wellspring

Demolish

Goblin Anarchomancer

Each spell you cast that's red or green costs {1} less to cast.

Recycle

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Reclaim

Put target card from your graveyard on top of your library.

Mystic Melting

Destroy target artifact or enchantment.
Draw a card at the beginning of the next turn's upkeep.

Cinder Glade

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

Sakura-Tribe Elder

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Solfatara

Target player can't play lands this turn.
Draw a card at the beginning of the next turn's upkeep.

Restore

Put target land card from a graveyard onto the battlefield under your control.

Stone Rain

Cultivate

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.

Kessig Wolf Run

{T}: Add {C}.
{X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

Tranquility

Cathartic Reunion

As an additional cost to cast this spell, discard two cards.
Draw three cards.

Untamed Wilds

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

Reverberate

Copy target instant or sorcery spell. You may choose new targets for the copy.

Scavenging Ooze

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on this creature and you gain 1 life.

Pir's Whim

For each player, choose friend or foe. Each friend searches their library for a land card, puts it onto the battlefield tapped, then shuffles. Each foe sacrifices an artifact or enchantment of their choice.

Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Veil of Summer

Draw a card if an opponent has cast a blue or black spell this turn. Spells you control can't be countered this turn. You and permanents you control gain hexproof from blue and from black until end of turn. (You and they can't be the targets of blue or black spells or abilities your opponents control.)

Sizzle

Rubble Reading

Wort, the Raidmother

When Wort, the Raidmother enters, create two 1/1 red and green Goblin Warrior creature tokens.
Each red or green instant or sorcery spell you cast has conspire. (As you cast the spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy.)

Creeping Mold

Molten Rain

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

Reign of Chaos

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

Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.