Five rivers encircle Theros, flowing with waters more ancient than the world itself.

Mana Confluence

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

"There is much to learn here, but few can endure the ringing of the spires."
—Nulakam the Archivist

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Spirit

Forbidden Orchard

{T}: Add one mana of any color.
Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

Marsh Flats

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

An underground paradise, bright and thriving beneath the surface of Ixalan.

Windswept Heath

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

A graveyard for conquerors and conquered alike.

Bloodstained Mire

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

A warped gateway that seeps toxins and malevolence into the waters around Towashi.

Polluted Delta

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Verdant Catacombs

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Misty Rainforest

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Once a prosperous Vantress town, now swept clean and reclaimed by the waters of the wilds.

Flooded Strand

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Arid Mesa

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Travelers bathe in the falls to wash away curses from the pucas who lurk nearby.

Cascade Bluffs

{T}: Add {C}.
{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

Hall of the Bandit Lord

Hall of the Bandit Lord enters tapped.
{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

A shoreless sea extends to every horizon, sharing its beauty only with those who can fly high enough to see it.

Sea of Clouds

Sea of Clouds enters tapped unless you have two or more opponents.
{T}: Add {W} or {U}.

No one really knows how deep the waters go beneath Undercity, nor what amorphous horrors lurk within.

Morphic Pool

Morphic Pool enters tapped unless you have two or more opponents.
{T}: Add {U} or {B}.

Servants tend to the garden meticulously, ensuring that Upper City residents aren't bothered by the messier parts of nature.

Bountiful Promenade

Bountiful Promenade enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

In opulent chambers behind closed doors, dynasties are made and broken with but a few murmured words.

Luxury Suite

Luxury Suite enters tapped unless you have two or more opponents.
{T}: Add {B} or {R}.

To get to Valor's Reach, competitors must first make a name for themselves in the smaller arenas.

Undergrowth Stadium

Undergrowth Stadium enters tapped unless you have two or more opponents.
{T}: Add {B} or {G}.

"Just when the river seems most peaceful, suddenly you round a bend and hurtle down a waterfall."
—Zahr Gada, Halimar expedition leader

Clearwater Pathway

"Here, at least, the danger is usually in plain sight."
—Zahr Gada, Halimar expedition leader

Murkwater Pathway

Clearwater Pathway // Murkwater Pathway

"The wind knows the way. Just let it carry you there."
—Amandi, kitesail expert

Riverglide Pathway

"Don't fear the heat. Just let it lift you up."
—Amandi, kitesail expert

Lavaglide Pathway

Riverglide Pathway // Lavaglide Pathway

As magnigoth trees expanded across the sea into Almaaz and New Argive, it became clear Yavimaya's borders were never confined by its coastline.

Yavimaya Coast

{T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

Gemstone Mine

Gemstone Mine enters with three mining counters on it.
{T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

Unlike previous conflicts, the war between Urza and Mishra made Dominaria itself a casualty of war.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Tarnished Citadel

{T}: Add {C}.
{T}: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

Hall of Heliod's Generosity

{T}: Add {C}.
{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

Boseiju, Who Shelters All

Boseiju, Who Shelters All enters tapped.
{T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.

"Yawgmoth's corpse is a wound in the universe. His foul blood seeps out, infecting the land with his final curse."
—Lord Windgrace

Urborg, Tomb of Yawgmoth

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

Cephalid Coliseum

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.
Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

"I gazed once into that light. Now it burns in my mind, forever denying me rest."
—Riku of Two Reflections

Command Beacon

{T}: Add {C}.
{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Path of Ancestry

Path of Ancestry enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Swamp

Forest

Mountain

Island

Plains

"If you work at sawing up carcasses, you notice how the joints fit, how the nerves are arrayed, and how the skin peels back."
—Ashnod, to Tawnos

Ashnod's Altar

Prismite

Tithe Taker

During your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate unless they're mana abilities.
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Biomancer's Familiar

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

She remembers every word spoken, from the hero's oath to the baby's cry.

Eternal Witness

When Eternal Witness enters, you may return target card from your graveyard to your hand.

The province of Jingzhou was the fulcrum of the three kingdoms. At separate times it was coveted and controlled by the Wu, the Shu, and the Wei.

Capture of Jingzhou

An artificer's experiment in cross-material engineering found its own purpose as an interpreter between cultures.

Composite Golem

Sacrifice Composite Golem: Add {W}{U}{B}{R}{G}.

K'rrik, Son of Yawgmoth

({B/P} can be paid with either {B} or 2 life.)
Lifelink
For each {B} in a cost, you may pay 2 life rather than pay that mana.
Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

"Their blood is the nectar that nourishes the Cabal."
—Phage the Untouchable

Blood Celebrant

{B}, Pay 1 life: Add one mana of any color.

Zirda, the Dawnwaker

Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{1}, {T}: Target creature can't block this turn.

"I'm not saying I'm sure it's a trap. I'm just saying it wasn't there yesterday and I'm pretty sure I heard it whisper my name. If you're so curious, you touch it."
—Angus, survivor scout

Sol Ring

Mox Diamond

If Mox Diamond would enter, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add one mana of any color.

Chrome Mox

Imprint — When Chrome Mox enters, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.

Grim Monolith

Grim Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{4}: Untap Grim Monolith.

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

"We are never without guidance, if we but seek it."
—Taaveti of Kelsinko, elvish hunter

Elvish Spirit Guide

Exile Elvish Spirit Guide from your hand: Add {G}.

When the blood hunt lost its thrill, she looked for less tangible means of domination.

Vampire Hexmage

First strike
Sacrifice Vampire Hexmage: Remove all counters from target permanent.

"I told Jace that Ravnica would fall apart if he didn't take his responsibilities seriously. I didn't want to be right."

Lavinia, Azorius Renegade

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.
Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

"He steals power from treasure after treasure, and what does it do for the ouphe? Nothing."
—Jhoira

Collector Ouphe

Activated abilities of artifacts can't be activated.

"Our sanctuaries must be beacons of reason and calm or else they will fall."

Drannith Magistrate

Your opponents can't cast spells from anywhere other than their hands.

He's the calm that hides the coming storm.

Siren Stormtamer

Flying
{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Mausoleum Wanderer

Flying
Whenever another Spirit you control enters, Mausoleum Wanderer gets +1/+1 until end of turn.
Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays {X}, where X is Mausoleum Wanderer's power.

"Of all the things that can be stolen, opportunity is the most valuable."

Cursecatcher

Sacrifice Cursecatcher: Counter target instant or sorcery spell unless its controller pays {1}.

His marvels of artifice pale in comparison to the developing machinery of his mind.

Venser, Shaper Savant

Flash
When Venser, Shaper Savant enters, return target spell or permanent to its owner's hand.

Opposition Agent

Flash
You control your opponents while they're searching their libraries.
While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

It soars through currents of moonbeams to give hope to the forsaken.

Luminous Broodmoth

Flying
Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.

Flusterstorm

Counter target instant or sorcery spell unless its controller pays {1}.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

"Your first mistake was thinking I would let you live long enough to make a second."
—Sarnvax, Gitaxian sective

Mental Misstep

({U/P} can be paid with either {U} or 2 life.)
Counter target spell with mana value 1.

Archmage attacks are little more than annoyances to Kalamax.

Deflecting Swat

If you control a commander, you may cast this spell without paying its mana cost.
You may choose new targets for target spell or ability.

Swan Song

Bird

"The most enlightened mages create beauty from violence."
—Medomai the Ageless

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

The rustling of leaves and a passing shadow are a dryad's only trace.

Autumn's Veil

Spells you control can't be countered by blue or black spells this turn, and creatures you control can't be the targets of blue or black spells this turn.

A savage cry with the power to shatter minds.

Guttural Response

Delay

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

"Next time, try something more appropriate for your skill level."
—Barrin, Tolarian archmage

Miscast

Counter target instant or sorcery spell unless its controller pays {3}.

Muddle the Mixture

Counter target instant or sorcery spell.
Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

"I've always made snap decisions. I'm just better at making the right ones now that I'm older and wiser."
—Teferi

Impulse

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Dig Through Time

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

"Slimefoot, I know I said I wanted to grow our repository of knowledge, but this isn't what I had in mind."

Fact or Fiction

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

As the River Heralds began to decipher the ancient map, they were staggered by the vastness of the world-within-the-world that it revealed.

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

The mizzium-sphere array drove her mind deep into the thought field, where only the rarest motes of genius may be plucked.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

"When you learn to read the tides of fate, it's easy to catch the outcomes you desire."

Ponder

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

"Any dream is a robust harvest. Still, I prefer the timeworn dreams, heavy with import, that haunt the obsessive mind."

Thoughtseize

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

You will scream out your innermost secrets just to make it stop.

Inquisition of Kozilek

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

"Your artillery will burn itself out before I allow my focus to waver."

Force of Will

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

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