In a space where there is no room, in a structure that was never built, meets the guild that doesn't exist.

Duskmantle, House of Shadow

{T}: Add {C}.
{U}{B}, {T}: Target player mills a card.

"Some see a coastal disaster. I see a fully-stocked seagraf."
—Jadar, ghoulcaller of Nephalia

Nephalia Drownyard

{T}: Add {C}.
{1}{U}{B}, {T}: Target player mills three cards.

Rumors quickly spread among thieves about a labyrinth without walls and a prize beyond all measures of worth.

Rogue's Passage

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

"Log 2.9.089: Lammuat, the cemetery moon of salvage and secrets. Could be profitable for those brave enough to plumb its recesses."
—*Maisie's Edge Chronicles*

Watery Grave

({T}: Add {U} or {B}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Where curiosity meets cruelty, hideous innovations arise.

Darkslick Shores

This land enters tapped unless you control two or fewer other lands.
{T}: Add {U} or {B}.

"The Caribbean in 1530? Rad! Pirates are totally cold! Is that what you say in your time? Or tepid? Cool? Anyway, the Time Scepter says Bebop and Rocksteady should be here somewhere."
—Renet

Sunken Hollow

({T}: Add {U} or {B}.)
This land enters tapped unless you control two or more basic lands.

Command Tower

Tower Winder

Back in the '80s, Channel 6 built their headquarters at the corner of Spectacle and Scandal.

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

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

Morphic Pool

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

Temple of Deceit

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 {U} or {B}.

Fetid Pools

({T}: Add {U} or {B}.)
This land enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

"Long after the land has given up the last of its secrets, there will still be mysteries in the depths of the sea."
—Kiora

Submerged Boneyard

This land enters tapped.
{T}: Add {U} or {B}.

"The war polluted the land, turning what had once been fruitful fields into fetid morasses of mud and rusted corpses."
—*The Antiquities War*

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. This land deals 1 damage to you.

Dimir Aqueduct

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {U}{B}.

Bojuka Bog

This land enters tapped.
When this land enters, exile target player's graveyard.
{T}: Add {B}.

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}.

Lonely Sandbar

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

Barren Moor

This land enters tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)

Enter and become a mastermind of spies, lies, and deception.

Dimir Guildgate

"I ask only that the winds return you to me as swiftly as they bear you and the Storm Crane away."
—Samthar, Sultai merchant, to Jialing, Jeskai monk

Dismal Backwater

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {B}.

Without the care of the tideshapers, the Lanes lie neglected. Some have flooded entire towns; others dried to cracked mud.

Sunken Ruins

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

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

Polluted Delta

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

"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.

Swamp

Island

Oona, Queen of the Fae

Faerie Rogue

Flying
{X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.

Lazav, Dimir Mastermind

Hexproof
Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

Ashiok, Nightmare Weaver

+2: Exile the top three cards of target opponent's library.
−X: Put a creature card with mana value X exiled with Ashiok onto the battlefield under your control. That creature is a Nightmare in addition to its other types.
−10: Exile all cards from all opponents' hands and graveyards.

Duskmantle Guildmage

{1}{U}{B}: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life.
{2}{U}{B}: Target player mills two cards.

Jace, Memory Adept

+1: Draw a card. Target player mills a card.
0: Target player mills ten cards.
−7: Any number of target players each draw twenty cards.

Thieves' Guild Enforcer

Flash
Whenever this creature or another Rogue you control enters, each opponent mills two cards.
As long as an opponent has eight or more cards in their graveyard, this creature gets +2/+1 and has deathtouch.

Soaring Thought-Thief

Flash
Flying
As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.
Whenever one or more Rogues you control attack, each opponent mills two cards.

Under Drana's leadership, vampires are finding new strength in unity.

Nighthawk Scavenger

Flying, deathtouch, lifelink
Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

"One for you, one for me. What could be more fair?"
—Kethis, the Hidden Hand

Scheming Symmetry

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

"I am confident that if anyone actually penetrates our facades, even the most perceptive would still be fundamentally unprepared for the truth of House Dimir."
—Szadek

Glimpse the Unthinkable

Mind Grind

Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.

"The soul is only as eternal as I say it is."
—Sharuum the Hegemon

Mind Funeral

Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.

Jace traced Nahiri to the Singing City, but the magic of the ancient ruins threatened to overwhelm his mind.

Maddening Cacophony

Kicker {3}{U}
Each opponent mills eight cards. If this spell was kicked, instead each opponent mills half their library, rounded up.

Drown in the Loch

Choose one —
• Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard.
• Destroy target creature with mana value less than or equal to the number of cards in its controller's graveyard.

"The past is the foundation for all that exists in the present. We merely reconstruct what our ancestors have already discovered."
—Sachimir, Sage of Memories

Visions of Beyond

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

"To break another's mind is to deliver a fate worse than death. It is a terrifying power."
—Jace Beleren

Psychic Corrosion

Whenever you draw a card, each opponent mills two cards.

He was left with just enough memory to understand what he had lost.

Traumatize

Target player mills half their library, rounded down.

Supplicants offer flesh and silver, flowers and blood. The altar takes what it will, eyes gleaming with unspoken promises.

Altar of the Brood

Whenever another permanent you control enters, each opponent mills a card.

"Captain, I think that island is following us."

Fleet Swallower

Whenever this creature attacks, target player mills half their library, rounded up.

Notion Thief

Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Nephalia's tides obey an unforgiving moon.

Consuming Tide

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

A step in one direction is two steps away from another.

Mesmeric Orb

Whenever a permanent becomes untapped, that permanent's controller mills a card.

Codex Shredder

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)
{5}, {T}, Sacrifice this artifact: Return target card from your graveyard to your hand.

An emblem of a secret guild, the Dimir insignia is seen only by its own members—and the doomed.

Dimir Signet

Antonio's accommodated every request, asked no questions, and stayed open late. Truly a light in the darkness.

Sol Ring

It harmonizes with the essence of its master.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

Infinite possibilities contained in a finite space.

Thought Vessel

"Wear this, and take your place among the shadows—wise, lethal, and unseen."
—Ivrelya, Dimir spymaster

Dimir Locket

{T}: Add {U} or {B}.
{U/B}{U/B}{U/B}{U/B}, {T}, Sacrifice this artifact: Draw two cards.

Thievery requires subtlety, from the beginning of the heist to the end.

Rogue's Gloves

Whenever equipped creature deals combat damage to a player, you may draw a card.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Mask of Memory

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whispersteel Dagger

Equipped creature gets +2/+0.
Whenever equipped creature deals combat damage to a player, you may cast a creature spell from that player's graveyard this turn, and you may spend mana as though it were mana of any color to cast that spell.
Equip {3}

"Dangerous to recognize. Deadly not to."
—Lazav

Dimir Charm

Choose one —
• Counter target sorcery spell.
• Destroy target creature with power 2 or less.
• Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.

"People would sooner savor sweet lies than chew plain truths."
—Lazav

Disinformation Campaign

When this enchantment enters, you draw a card and each opponent discards a card.
Whenever you surveil, return this enchantment to its owner's hand.

Court of Cunning

The Monarch

A throne built on wisdom cannot be toppled.

When this enchantment enters, you become the monarch.
At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Such cloaks are in high demand both by assassins and by those who fear them.

Whispersilk Cloak

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}

"It's truly the highest honor, isn't it? To be remembered? Pity for you."

Thought Erasure

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Thassa, Deep-Dwelling

Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature.
At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.
{3}{U}: Tap another target creature.

Persistent Petitioners

{1}, {T}: Target player mills a card. (They put the top card of their library into their graveyard.)
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.

Shadowmage Infiltrator

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever this creature deals combat damage to a player, you may draw a card.

Phantasmal Image

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Other guilds demand tolls from those who travel their territories, but not House Dimir. It takes its share secretly, one coin purse at a time.

Dimir Cutpurse

Whenever this creature deals combat damage to a player, that player discards a card and you draw a card.

Dimir House Guard

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Sacrifice a creature: Regenerate this creature.
Transmute {1}{B}{B} ({1}{B}{B}, 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.)

Even the lost and undead need a protector.

Wight of Precinct Six

This creature gets +1/+1 for each creature card in your opponents' graveyards.

"The more secrets you have, the more easily you become my pawn."

Agent of Treachery

When this creature enters, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

"Consider my debt to your kin paid in full."
—Idrol, Guul Draz assassin

Vendetta

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

When Titania offered peace, Urza merely turned her down. Mishra made her people pay for the insult.

Go for the Throat

The blades of a Sultai assassin stab like the fangs of a dragon.

Murderous Cut

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target creature.

Fatal Push

Destroy target creature if it has mana value 2 or less.
Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

Odric resisted the vampire's curse with all his strength. But after a lifetime of fighting monsters, he was doomed to become one himself.

Hero's Downfall

"On vile wings and bloody wind, the swarm will rise."
—Skyclave inscription

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Languish

All creatures get -4/-4 until end of turn.

Damnation

Destroy all creatures. They can't be regenerated.

"You guys seriously try to do this with jump kicks?"

Negate

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.

Beneath Ravnica's streets runs a layer of tunnels, then caverns and waterways, then terrors and nightmares.

Drowned Secrets

Whenever you cast a blue spell, target player mills two cards.

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