Nykthos, Shrine to Nyx

{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Once guarded by the Knights of the Reliquary, the tower stands now protected only by its own remoteness, its dusty treasures open to plunder by anyone.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

"It's me and Gribble's special fort. None of the bad things can get us in there."
—Toby

Command Tower

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

Opal Palace

{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Island

A figure is moved on a map, and the tide of war changes.

War Room

{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Those who bring nothing to the temple take nothing away.

Temple of the False God

{T}: Add {C}{C}. Activate only if you control five or more lands.

Three Tree City

As Three Tree City enters, choose a creature type.
{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to the number of creatures you control of the chosen type.

Lonely Sandbar

Lonely Sandbar enters tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)

Sunken Palace

Sunken Palace enters tapped.
{T}: Add {U}.
{1}{U}, {T}, Exile seven cards from your graveyard: Add {U}. When you spend this mana to cast a spell or activate an ability, copy that spell or ability. You may choose new targets for the copy. (Mana abilities can't be copied.)

Oriq agents stick to the dark corners of Arcavios, unseen yet ever-present.

Access Tunnel

{T}: Add {C}.
{3}, {T}: Target creature with power 3 or less can't be blocked this turn.

Myriad Landscape

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

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.)

The land is ever resilient. Should it die, it will be reborn.

Evolving Wilds

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

The House's geography constantly warps and twists, fields melting into floorboards and walls opening into hungry maws.

Terramorphic Expanse

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

Cavern of Souls

As Cavern of Souls enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

No self-respecting criminal has a basement with only one exit.

Escape Tunnel

{T}, Sacrifice Escape Tunnel: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{T}, Sacrifice Escape Tunnel: Target creature with power 2 or less can't be blocked this turn.

Otawara, Soaring City

{T}: Add {U}.
Channel — {3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

Its students graduate the school and enter history.

Minamo, School at Water's Edge

{T}: Add {U}.
{U}, {T}: Untap target legendary permanent.

Buried Ruin

{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Soaring Seacliff

Soaring Seacliff enters tapped.
When Soaring Seacliff enters, target creature gains flying until end of turn.
{T}: Add {U}.

"Were I to go where my heart dwells, I would now be wandering in the fair valley of Rivendell."
—Aragorn

Rivendell

Rivendell enters tapped unless you control a legendary creature.
{T}: Add {U}.
{1}{U}, {T}: Scry 2. Activate only if you control a legendary creature.

Its secrets once wrought the greatest artifice ever known. Now crabs loot the rubble to decorate their shells.

Academy Ruins

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

Sometimes safety is a place. Sometimes it's a person. Sometimes it's a tangible reminder that even in darkness, hope persists.

Arcane Signet

It is the glimpse of a new horizon beyond the hills, the briny taste of salt spray off a ship's hull, and the whisper of pages turning in a new book. It is discovery.

Sapphire Medallion

Blue spells you cast cost {1} less to cast.

Urza's metathran children were conceived, birthed, and nurtured by an integrated system of machines.

Thran Dynamo

Infinite possibilities contained in a finite space.

Thought Vessel

Thought Sponge

Flash
Thought Sponge enters with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn.
When Thought Sponge dies, draw cards equal to its power.

Jace, Wielder of Mysteries

If you would draw a card while your library has no cards in it, you win the game instead.
+1: Target player mills two cards. Draw a card.
−8: Draw seven cards. Then if your library has no cards in it, you win the game.

His mind whirled with grand plans, never thinking of what might happen if he were to succeed.

Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.

Counterspell

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.

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.

Pongify

Some spellcrafting mistakes go on to become spells of their own.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Rapid Hybridization

Frog Lizard

"We've merged your life essence with that of several creatures at once. You're welcome."
—Speaker Trifon

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

The student searches the world for meaning. The master finds worlds of meaning in the search.

Mystical Tutor

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

"The secret to invention is to see something in your mind, then find where it hides in the world."

Fabricate

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

"I can see why this appeals to Thassa."
—Kiora

Whelming Wave

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

"Abandon ship! No, grab the treasure first!"
—Admiral Beckett Brass

Evacuation

Return all creatures to their owners' hands.

Capsize

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.)
Return target permanent to its owner's hand.

The sea filled the villagers' nets until the day it cast its own.

Coastal Breach

Undaunted (This spell costs {1} less to cast for each opponent.)
Return all nonland permanents to their owners' hands.

"The cost of your opposition will be extracted from your wits."
—Nekusar, the Mindrazer

Propaganda

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Copy

Rite of Replication

Kicker {5} (You may pay an additional {5} as you cast this spell.)
Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

Simic mages create redundant backups of their experiments to reduce the consequences of catastrophe.

Copy Enchantment

You may have Copy Enchantment enter as a copy of any enchantment on the battlefield.

Copy Artifact

You may have Copy Artifact enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Tezzeret the Seeker

+1: Untap up to two target artifacts.
−X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

Teferi, Temporal Archmage

Teferi, Temporal Archmage Emblem

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.
−1: Untap up to four target permanents.
−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."
Teferi, Temporal Archmage can be your commander.

Windfall

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

"The Origin Query will wait. We must ensure we survive to return to it."
—Pelyus, vedalken ordinar

Blue Sun's Zenith

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

"Every thought is a star illuminating the darkness. Inspiration comes from finding the constellations that link them."

Stroke of Genius

Fragments of thought refract and multiply, surging in a geyser of dizzying insight.

Mind Spring

"I do things in my own time."
—Etha, initiate of Rhet crop

Pull from Tomorrow

Part the Waterveil

Take an extra turn after this one. Exile Part the Waterveil.
Awaken 6—{6}{U}{U}{U} (If you cast this spell for {6}{U}{U}{U}, also put six +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

"Brother, your fate has always been bound to mine. Now we have reached the place where they shall both end."

Finale of Revelation

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game.
Exile Finale of Revelation.

"That would have brought shame to you as a mage. Tell you what—I'll keep your secret."
—Noyan Dar, Tazeem lullmage

Deprive

As an additional cost to cast this spell, return a land you control to its owner's hand.
Counter target spell.

"As one, nature lifts its voice to tell you this: 'No.'"

Negate

"How easily your flames are quenched."
—Baral, Chief of Compliance

Disallow

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

"Beware the merrows, whose envy and covetousness surpasses even that of the ravenous whirlpools where they dwell."
—*The Book of Other Folk*

Flow of Ideas

Kaito's blade brought the light of another plane into Duskmourn, and with it, a brief chance to escape.

Get Out

Choose one —
• Counter target creature or enchantment spell.
• Return one or two target creatures and/or enchantments you own to your hand.

"Close the walls! Retract the docks! The homarids are coming!"
—Benson, Argivian sentry

High Tide

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

They cluster near shallow river crossings, blending into the rocks, waiting for unsuspecting travelers to step within range of their claws.

Canyon Crab

{1}{U}: Canyon Crab gets +2/-2 until end of turn.
At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card, then discard a card.

Thassa's Emissary

Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Whenever Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card.
Enchanted creature gets +3/+3.

A precious shell without, a delicious taste within.

Purple-Crystal Crab

When Purple-Crystal Crab dies, draw a card.

Unable to Scream

Enchant creature
Enchanted creature loses all abilities and is a Toy artifact creature with base power and toughness 0/2 in addition to its other types.
As long as enchanted creature is face down, it can't be turned face up.

It spilled the blood of one elder dragon. In Gideon's hands, it may yet taste another's.

Blackblade Reforged

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}

Aqueous Form

Enchant creature
Enchanted creature can't be blocked.
Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

"Focus your mind. Do you hold a piece of the ocean or a thousand drops of rain?"
—Hurkyl

Flow of Knowledge

Draw a card for each Island you control, then discard two cards.

Mirrorshell Crab

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Eluge, the Shoreless Sea

Eluge's power and toughness are each equal to the number of Islands you control.
Whenever Eluge enters or attacks, put a flood counter on target land. It's an Island in addition to its other types for as long as it has a flood counter on it.
The first instant or sorcery spell you cast each turn costs {U} (or {1}) less to cast for each land you control with a flood counter on it.

It slices away the most precious memories first, then the mundane, until all that remains is blank, formless fear.

The Mindskinner

The Mindskinner can't be blocked.
If a source you control would deal damage to an opponent, prevent that damage and each opponent mills that many cards.

Though she was used to stepping into the unknown, something about this strange doorway made the Wanderer shiver as she crossed the threshold.

Enter the Enigma

Target creature can't be blocked this turn.
Draw a card.

"The tides have begun to ignore the moon."
—Tamiyo's journal

Engulf the Shore

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

To an explorer, a priceless treasure. To the crab, a rock to call home.

Ruin Crab

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

With sandy beaches in short supply, Duskmourn's crabs have adapted to burrow into everything from carpet to flesh.

Scrabbling Skullcrab

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards. (They put the top two cards of their library into their graveyard.)

"Is that all you've got? Put some mussel into it!"

Shore Up

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

Eddymurk Crab

Flash
This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Eddymurk Crab enters tapped if it's not your turn.
When Eddymurk Crab enters, tap up to two target creatures.

Short Bow

Equipped creature gets +1/+1 and has vigilance and reach.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

"True strength is in the mind, for the body is too malleable a form."
—Politus, vedalken emisar

Twisted Image

Switch target creature's power and toughness until end of turn.
Draw a card.

"You can come back once you've learned some manners—and figured out how to reconstitute your physical forms."

Aetherize

Return all attacking creatures to their owner's hand.

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