Mirrodin's Core

{T}: Add {C}.
{T}: Put a charge counter on Mirrodin's Core.
{T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Structures built from darksteel yield to neither assault nor age.

Darksteel Citadel

Buried Ruin

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

Geier Reach Sanitarium

{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.

Arcane Lighthouse

{T}: Add {C}.
{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

"So even the heart of our world has succumbed."
—Koth of the Hammer

Phyrexia's Core

{T}: Add {C}.
{1}, {T}, Sacrifice an artifact: You gain 1 life.

Wastes

The Planar Bridge opened over the Chamber of the Guildpact, reducing the symbol of Ravnica's endurance to rubble.

Emergence Zone

{T}: Add {C}.
{1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

Every world is a work in progress, constantly reshaped by time, disasters, and even the powerful magic of Planeswalkers.

Encroaching Wastes

{T}: Add {C}.
{4}, {T}, Sacrifice Encroaching Wastes: Destroy target nonbasic land.

Urza's Construction Drone

Urza's Tower

Urza's Mine

Urza's Power Plant

In his hunger for power and knowledge, Urza dug deep into Dominaria's ancient past.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Urza eventually came to understand Tocasia's lessons on clarity of purpose. Perfection became his goal, and all other matters fell away in its pursuit.

Urza's Workshop

{T}: Add {C}.
Metalcraft — {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

Treasure Vault

Treasure

There is wealth enough inside to cause the rise and the ruin of dynasties.

{T}: Add {C}.
{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

Sanctum of Ugin

{T}: Add {C}.
Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

"All peoples treasure a place where the weary traveler may drink in peace."
—Ajani Goldmane

Radiant Fountain

When Radiant Fountain enters the battlefield, you gain 2 life.
{T}: Add {C}.

As the Invasion Tree grew, its branches pierced through the world's silent core.

The Mycosynth Gardens

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

Phyrexian Mite

Mirrex

{T}: Add {C}.
{T}: Add one mana of any color. Activate only if Mirrex entered the battlefield this turn.
{3}, {T}: Create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.)

What little light filters down through frost and fathoms is refracted into a million rainbow shards.

Crystal Grotto

When Crystal Grotto enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Myriad Landscape

Myriad Landscape enters the battlefield 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.

Powerstone

Hall of Tagsin

The Thran's machines were not dead after all, merely dormant . . . and waiting.

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Cave of Temptation

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}, Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Demolition Field

{T}: Add {C}.
{2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

There dwelt Círdan the Shipwright, and some say he dwells there still, until the Last Ship sets sail into the West.

The Grey Havens

When The Grey Havens enters the battlefield, scry 1.
{T}: Add {C}.
{T}: Add one mana of any color among legendary creature cards in your graveyard.

Crumbling Vestige

Crumbling Vestige enters the battlefield tapped.
When Crumbling Vestige enters the battlefield, add one mana of any color.
{T}: Add {C}. ({C} represents colorless mana.)

The Sun Empire bends nature— rivers, mountainsides, dinosaurs— to its unyielding will.

Evolving Wilds

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

Take two steps north into the unsettled future, south into the unquiet past, east into the present day, or west into the great unknown.

Terramorphic Expanse

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

"We can't quite determine what they're doing, but they seem to be doing it quite well."
—Vedalken research notes

Myr Galvanizer

Other Myr creatures you control get +1/+1.
{1}, {T}: Untap each other Myr you control.

Myr Turbine

{T}: Create a 1/1 colorless Myr artifact creature token.
{T}, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle.

Mephidross gives up treasure easily . . . as long as you take its place.

Myr Retriever

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

Most clocks measure time, but a few measure everything.

Clock of Omens

Tap two untapped artifacts you control: Untap target artifact.

A mana well as bottomless as the myr are tireless.

Myr Reservoir

{T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr.
{3}, {T}: Return target Myr card from your graveyard to your hand.

The myr are like the Glimmervoid: blank canvases on which to build grand creations.

Palladium Myr

Myr Battlesphere

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Prototype Portal

Copy

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand.
{X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

Myr Incubator

{6}, {T}, Sacrifice Myr Incubator: Search your library for any number of artifact cards, exile them, then create that many 1/1 colorless Myr artifact creature tokens. Then shuffle.

Myr Propagator

"We will ingest and remake this world in our image, not unlike some admirable designs I have seen here."
—Vorinclex, Voice of Hunger

{3}, {T}: Create a token that's a copy of Myr Propagator.

Automaton inspectors ensure that the Consulate's stringent standards for mass production are upheld.

Foundry Inspector

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

Semblance Anvil

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.
Spells you cast that share a card type with the exiled card cost {2} less to cast.

Most mirrors show your reflection. Others show your potential.

Mirage Mirror

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

"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

Memnarch designed some myr to follow the levelers and reaffix lost parts. Mirran partisans put that instinct to good use.

Myr Welder

Imprint — {T}: Exile target artifact card from a graveyard.
Myr Welder has all activated abilities of all cards exiled with it.

"The simplest way to plan ahead is merely to be ready for everything."
—Pontifex, elder researcher

Myr Adapter

Myr Adapter gets +1/+1 for each Equipment attached to it.

"The perfection of the lotus reminds me of my hopes for this world . . . and my failures. I will not rest until I've atoned for them."
—Karn

Gilded Lotus

Most myr monitor other species. Some myr monitor other myr.

Myr Enforcer

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Lost to time is the artificer's art of trapping light from a distant star in a ring of purest gold.

Sol Ring

Myr Sire

Phyrexian Myr

For the Phyrexians, death is not an end, nor a one-time occurrence.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

It evades Phyrexians by hiding in the spaces between seconds.

Shimmer Myr

Flash
You may cast artifact spells as though they had flash.

The vedalken embed such urns in their living artifact creations.

Blinkmoth Urn

At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.

Magistrate's Scepter

{4}, {T}: Put a charge counter on Magistrate's Scepter.
{T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.

Summoner's Egg

Imprint — When Summoner's Egg enters the battlefield, you may exile a card from your hand face down.
When Summoner's Egg dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Two kinds of myr survive: the powerful and those that stay close by them.

Myr Superion

Spend only mana produced by creatures to cast this spell.

Memnarch created the myr with three qualities in mind: dependability, controllability, and disposability.

Myr Moonvessel

Arcbound Reclaimer

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.
Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Cogwork Assembler

Duplication is neither thievery nor flattery. It is efficiency.

{7}: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

Sometimes the smallest things make the biggest difference.

Workshop Assistant

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.

The Krark Clan enjoys pulling them apart just to watch them reassemble one another.

Myr Servitor

At the beginning of your upkeep, if Myr Servitor is on the battlefield, each player returns all cards named Myr Servitor from their graveyard to the battlefield.

Trading Post

Goat

{1}, {T}, Discard a card: You gain 4 life.
{1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token.
{1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand.
{1}, {T}, Sacrifice an artifact: Draw a card.

Cogwork Grinder

Draft Cogwork Grinder face up.
As you draft a card, you may remove it from the draft face down. (Those cards aren't in your card pool.)
Cogwork Grinder enters the battlefield with X +1/+1 counters on it, where X is the number of cards you removed from the draft with cards named Cogwork Grinder.

Brass Herald

As Brass Herald enters the battlefield, choose a creature type.
When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.
Creatures of the chosen type get +1/+1.

One thing the myr can't do is enjoy the scenery.

Myr Landshaper

{T}: Target land becomes an artifact in addition to its other types until end of turn.

Arcbound Slith

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it.
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Bruiser

Modular 3 (This creature enters the battlefield with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

"We consider rust a curable disease."
—Tarrin, Hammer-Tribe shaman

Rusted Relic

Metalcraft — Rusted Relic is a 5/5 Golem artifact creature as long as you control three or more artifacts.

Spine of Ish Sah

When Spine of Ish Sah enters the battlefield, destroy target permanent.
When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

"To be in the presence of a revoker is to be truly alone."
—Kara Vrist, Neurok agent

Phyrexian Revoker

As Phyrexian Revoker enters the battlefield, choose a nonland card name.
Activated abilities of sources with the chosen name can't be activated.

"There is great wisdom in rushing headlong into combat . . . if you're prepared."
—Kenjek, captain of the Thousand Swords

Swiftfoot Boots

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

"Arcum is a babbling fool! Phyrexian technology is our greatest blessing. Take this delightful trinket for instance . . ."
—Heidar, Rimewind master

Mishra's Bauble

{T}, Sacrifice Mishra's Bauble: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

"The world is already run by all manner of machines. One day, they'll remind us of that fact."
—Sargis Haz, artificer

Steel Overseer

{T}: Put a +1/+1 counter on each artifact creature you control.

The musical sound of its turning triggers the tumblers of revelation.

Cloud Key

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.
Spells you cast of the chosen type cost {1} less to cast.

Metalwork Colossus

This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control.
Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

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

Thran Dynamo

It started as a mere drop of water. The Magic Mirror crystallized it into much more.

Arcane Signet

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

"We have barely begun to learn the secrets of the Fourth People. Every remnant of their presence, however cryptic, is a gift."
—Akal Pakal, First Steward of Oteclan

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

"It is not that you will go mad. It is that you will beg for madness."
—Volrath

Altar of Dementia

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Enlightenment is not gained by striking the bell or hearing its toll. It's found in the silence that follows.

Temple Bell

"You've begun to understand the hedrons' true purpose," said Ugin. "The Eldrazi can be imprisoned."
"And how did that work out last time?" asked Jace.

Hedron Archive

{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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