Ruination

Omnath, Locus of Creation

When Omnath enters, draw a card.
Landfall — Whenever a land you control enters, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.

Stone Rain

Azusa, Lost but Seeking

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

Seismic Spike

Wildfire

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

Ramunap Excavator

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.

Swords to Plowshares

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

Sol Ring

Keldon Firebombers

When this creature enters, each player sacrifices all lands they control except for three.

Scute Swarm

Landfall — Whenever a land you control enters, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of this creature instead.

Brokers Hideout

When this land enters, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Samite Elder

{T}: Creatures you control gain protection from the colors of target permanent you control until end of turn.

Jeska's Will

Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Add {R} for each card in target opponent's hand.
• Exile the top three cards of your library. You may play them this turn.

Forest

Devastation

Sword of War and Peace

Equipped creature gets +2/+2 and has protection from red and from white.
Whenever equipped creature deals combat damage to a player, this Equipment deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand.
Equip {2}

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.

Tremble

Each player sacrifices a land of their choice.

Pillage

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

Rewind

Counter target spell. Untap up to four lands.

Rebuff the Wicked

Counter target spell that targets a permanent you control.

Crimson Acolyte

Protection from red
{W}: Target creature gains protection from red until end of turn.

Thoughts of Ruin

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

Blood Moon

Catastrophe

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

Wake of Destruction

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

Splendid Reclamation

Return all land cards from your graveyard to the battlefield tapped.

Sword of Forge and Frontier

Equipped creature gets +2/+2 and has protection from red and from green.
Whenever equipped creature deals combat damage to a player, exile the top two cards of your library. You may play those cards this turn. You may play an additional land this turn.
Equip {2}

Ancient Greenwarden

Reach (This creature can block creatures with flying.)
You may play lands from your graveyard.
If a land entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Epicenter

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

Cyclonic Rift

Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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.

Bust

Boom

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

Boom // Bust

Mana Tithe

Counter target spell unless its controller pays {1}.

Lotus Cobra

Landfall — Whenever a land you control enters, add one mana of any color.

Tectonic Break

Each player sacrifices X lands of their choice.

Exploration

You may play an additional land on each of your turns.

Zendikar's Roil

Landfall — Whenever a land you control enters, create a 2/2 green Elemental creature token.

Fabled Passage

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Cataclysm

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Permission Denied

Counter target noncreature spell. Your opponents can't cast noncreature spells this turn.

Dovin's Veto

This spell can't be countered.
Counter target noncreature spell.

Island

Frenzied Tilling

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

Plains

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Impending Disaster

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

Crop Rotation

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

Swan Song

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Counterspell

Avacyn, Angel of Hope

Flying, vigilance, indestructible
Other permanents you control have indestructible.

Myriad Landscape

This land enters tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Red Ward

Enchant creature
Enchanted creature has protection from red. This effect doesn't remove this Aura.

Smothering Tithe

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Global Ruin

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

Armageddon

Akki Blizzard-Herder

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

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.

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Summer Bloom

You may play up to three additional lands this turn.

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 this card, destroy all lands.

Prismatic Omen

Lands you control are every basic land type in addition to their other types.

Roiling Regrowth

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

Cleansing

For each land, destroy that land unless any player pays 1 life.

Mountain

Burning Sands

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

Cabaretti Courtyard

When this land enters, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Realm Razer

When this creature enters, exile all lands.
When this creature leaves the battlefield, return the exiled cards to the battlefield tapped under their owners' control.