Mishra's Helix

Artifact

, : Tap X target lands.

The helix was the finest example of Mishra's campaign strategy: if he couldn't have Argoth, no one could.

Mishra's War Machine

Artifact Creature - Juggernaut

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

Mistvein Borderpost

Artifact

You may pay and return a basic land you control to its owner's hand rather than pay Mistvein Borderpost's mana cost.

Mistvein Borderpost enters the battlefield tapped.

: Add or to your mana pool.

Mizzium Transreliquat

Artifact

: Mizzium Transreliquat becomes a copy of target artifact until end of turn.

: Mizzium Transreliquat becomes a copy of target artifact and gains this ability.

Mobile Fort

Artifact Creature - Wall

Defender (This creature can't attack.)

: Mobile Fort gets +3/-1 until end of turn and can attack this turn as though it didn't have defender. Activate this ability only once each turn.

Mogg Cannon

Artifact

: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Moggs never volunteer for anything twice.

Molten-Tail Masticore

Artifact Creature - Masticore

At the beginning of your upkeep, sacrifice Molten-Tail Masticore unless you discard a card.

, Exile a creature card from your graveyard: Molten-Tail Masticore deals 4 damage to target creature or player.

: Regenerate Molten-Tail Masticore.

Moltensteel Dragon

Artifact Creature - Dragon

( can be paid with either or 2 life.)

Flying

: Moltensteel Dragon gets +1/+0 until end of turn.

An apocalypse in dragon form.

Monkey Cage

Artifact

When a creature enters the battlefield, sacrifice Monkey Cage and put X 2/2 green Ape creature tokens onto the battlefield, where X is that creature's converted mana cost.

Moonglove Extract

Artifact

Sacrifice Moonglove Extract: Moonglove Extract deals 2 damage to target creature or player.

Diluted, moonglove can etch living tissue. Concentrated, a drop will kill a giant.

Moonring Mirror

Artifact

Whenever you draw a card, exile the top card of your library face down.

At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Moonring Mirror into your hand.

Moonsilver Spear

Artifact - Equipment

Equipped creature has first strike.

Whenever equipped creature attacks, put a 4/4 white Angel creature token with flying onto the battlefield.

Equip

Moratorium Stone

Artifact

, : Exile target card from a graveyard.

, , Sacrifice Moratorium Stone: Exile target nonland card from a graveyard, all other cards from graveyards with the same name as that card, and all permanents with that name.

Moriok Replica

Artifact Creature - Warrior

, Sacrifice Moriok Replica: You draw two cards and lose 2 life.

All the secrets of the Moriok with only a trace of their corruption.

Mortarpod

Artifact - Equipment

Living weapon (When this Equipment enters the battlefield, put a 0/0 black Germ creature token onto the battlefield, then attach this to it.)

Equipped creature gets +0/+1 and has "Sacrifice this creature: This creature deals 1 damage to target creature or player."

Equip

Moss Diamond

Artifact

Moss Diamond enters the battlefield tapped.

: Add to your mana pool.

Mossfire Egg

Artifact

, , Sacrifice Mossfire Egg: Add to your mana pool. Draw a card.

"Can you feel your instincts overwhelm your reason?"
-Watnik, master glassblower

Mourner's Shield

Artifact

Imprint - When Mourner's Shield enters the battlefield, you may exile target card from a graveyard.

, : Prevent all damage that would be dealt this turn by a source of your choice that shares a color with the exiled card.

Mox Diamond

Artifact

If Mox Diamond would enter the battlefield, 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.

: Add one mana of any color to your mana pool.

Mox Emerald

Artifact

: Add to your mana pool.

Mox Jet

Artifact

: Add to your mana pool.

Mox Opal

Legendary Artifact

Metalcraft - : Add one mana of any color to your mana pool. Activate this ability only if you control three or more artifacts.

The suns of Mirrodin have shone upon perfection only once.

Mox Pearl

Artifact

: Add to your mana pool.

Mox Ruby

Artifact

: Add to your mana pool.

Mox Sapphire

Artifact

: Add to your mana pool.

Muse Vessel

Artifact

, : Target player exiles a card from his or her hand. Activate this ability only any time you could cast a sorcery.

: Choose a card exiled with Muse Vessel. You may play that card this turn.

Mycosynth Golem

Artifact Creature - Golem

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

Artifact creature spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

Mycosynth Lattice

Artifact

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

Mycosynth Wellspring

Artifact

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

The oil created the mycosynth. The mycosynth created New Phyrexia.

Myr Adapter

Artifact Creature - Myr

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

Myr Battlesphere

Artifact Creature - Myr Construct

When Myr Battlesphere enters the battlefield, put four 1/1 colorless Myr artifact creature tokens onto the battlefield.

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 defending player.

Myr Enforcer

Artifact Creature - Myr

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

Myr Galvanizer

Artifact Creature - Myr

Other Myr creatures you control get +1/+1.

, : Untap each other Myr you control.

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

Myr Incubator

Artifact

, , Sacrifice Myr Incubator: Search your library for any number of artifact cards, exile them, then put that many 1/1 colorless Myr artifact creature tokens onto the battlefield. Then shuffle your library.

Myr Landshaper

Artifact Creature - Myr

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

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

Myr Matrix

Artifact

Myr Matrix is indestructible. ("Destroy" effects and lethal damage don't destroy it.)

Myr creatures get +1/+1.

: Put a 1/1 colorless Myr artifact creature token onto the battlefield.

Myr Mindservant

Artifact Creature - Myr

, : Shuffle your library.

Myr Moonvessel

Artifact Creature - Myr

When Myr Moonvessel dies, add to your mana pool.

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

Myr Propagator

Artifact Creature - Myr

, : Put a token that's a copy of Myr Propagator onto the battlefield.

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

Myr Prototype

Artifact Creature - Myr

At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype.

Myr Prototype can't attack or block unless you pay for each +1/+1 counter on it.

Myr Quadropod

Artifact Creature - Myr

: Switch Myr Quadropod's power and toughness until end of turn.

Each myr was designed to fill a specific role. This one, for example, was designed to stomp on other myr.

Myr Reservoir

Artifact

: Add to your mana pool. Spend this mana only to cast Myr spells or activate abilities of Myr.

, : Return target Myr card from your graveyard to your hand.

A mana well as bottomless as the myr are tireless.

Myr Retriever

Artifact Creature - Myr

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

Myr Servitor

Artifact Creature - Myr

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

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

Myr Sire

Artifact Creature - Myr

When Myr Sire dies, put a 1/1 colorless Myr artifact creature token onto the battlefield.

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

Myr Superion

Artifact Creature - Myr

Spend only mana produced by creatures to cast Myr Superion.

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

Myr Turbine

Artifact

: Put a 1/1 colorless Myr artifact creature token onto the battlefield.

, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle your library.

Myr Welder

Artifact Creature - Myr

Imprint - : Exile target artifact card from a graveyard.

Myr Welder has all activated abilities of all cards exiled with it.

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

Mystic Compass

Artifact

, : Target land becomes the basic land type of your choice until end of turn.

Nacre Talisman

Artifact

Whenever a player casts a white spell, you may pay . If you do, untap target permanent.

Naked Singularity

Artifact

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

If tapped for mana, Plains produce , Islands produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.

Narstad Scrapper

Artifact Creature - Construct

: Narstad Scrapper gets +1/+0 until end of turn.

"Finally, the principles of corpse animation applied to bloodless materials!"
-Ludevic, necro-alchemist

Necrogen Censer

Artifact

Necrogen Censer enters the battlefield with two charge counters on it.

, Remove a charge counter from Necrogen Censer: Target player loses 2 life.

Moriok necromancers actively spread necrogen, encouraging the transformation from Mirran to nim.

Necrogen Spellbomb

Artifact

, Sacrifice Necrogen Spellbomb: Target player discards a card.

, Sacrifice Necrogen Spellbomb: Draw a card.

Necropede

Artifact Creature - Insect

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Necropede dies, you may put a -1/-1 counter on target creature.

Necropolis

Artifact Creature - Wall

Defender (This creature can't attack.)

Exile a creature card from your graveyard: Put X +0/+1 counters on Necropolis, where X is the exiled card's converted mana cost.

Necropouncer

Artifact - Equipment

Living weapon (When this Equipment enters the battlefield, put a 0/0 black Germ creature token onto the battlefield, then attach this to it.)

Equipped creature gets +3/+1 and has haste.

Equip

Needlebug

Artifact Creature - Insect

Flash

Protection from artifacts

Neko-Te

Artifact - Equipment

Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as long as Neko-Te remains on the battlefield.

Whenever equipped creature deals damage to a player, that player loses 1 life.

Equip

Nemesis Mask

Artifact - Equipment

All creatures able to block equipped creature do so.

Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Neurok Hoversail

Artifact - Equipment

Equipped creature has flying.

Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Neurok Replica

Artifact Creature - Wizard

, Sacrifice Neurok Replica: Return target creature to its owner's hand.

All the curiosity of the Neurok with only a trace of their duplicity.

Neurok Stealthsuit

Artifact - Equipment

Equipped creature has shroud. (It can't be the target of spells or abilities.)

: Attach Neurok Stealthsuit to target creature you control.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Nevinyrral's Disk

Artifact

Nevinyrral's Disk enters the battlefield tapped.

, : Destroy all artifacts, creatures, and enchantments.

Nightmare Lash

Artifact - Equipment

Equipped creature gets +1/+1 for each Swamp you control.

Equip-Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Nihil Spellbomb

Artifact

, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard.

When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Nim Deathmantle

Artifact - Equipment

Equipped creature gets +2/+2, has intimidate, and is a black Zombie.

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay . If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip

Nim Replica

Artifact Creature - Zombie

, Sacrifice Nim Replica: Target creature gets -1/-1 until end of turn.

Nine-Ringed Bo

Artifact

: Nine-Ringed Bo deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.

"We received an anonymous letter suggesting that Kumano holds a secret to defeating the kami, but he is nowhere to be found."
-General Takeno, letter to Lord Konda

No-Dachi

Artifact - Equipment

Equipped creature gets +2/+0 and has first strike.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Not keen-edged enough for cutting armor, the no-dachi slew by folding its victim rapidly and violently under the weight of its impact.

Noetic Scales

Artifact

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards in his or her hand.

Norn's Annex

Artifact

( can be paid with either or 2 life.)

Creatures can't attack you or a planeswalker you control unless their controller pays for each of those creatures.

North Star

Artifact

, : For one spell this turn, you may spend mana as though it were mana of any color to pay that spell's mana cost. (Additional costs are still paid normally.)

Nova Pentacle

Artifact

, : The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice instead.

Nuisance Engine

Artifact

, : Put a 0/1 colorless Pest artifact creature token onto the battlefield.

Null Brooch

Artifact

, , Discard your hand: Counter target noncreature spell.

Give away everything so others have nothing.
-Brooch inscription

Null Rod

Artifact

Activated abilities of artifacts can't be activated.

Gerrard: "But it doesn't do anything!"
Hanna: "No-it does nothing."

Nullstone Gargoyle

Artifact Creature - Gargoyle

Flying

Whenever the first noncreature spell of a turn is cast, counter that spell.

Nullstone absorbs and dampens most forms of magical energy, as well as light, sound, and heat.

O-Naginata

Artifact - Equipment

O-Naginata can be attached only to a creature with 3 or more power.

Equipped creature gets +3/+0 and has trample.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Oathkeeper, Takeno's Daisho

Legendary Artifact - Equipment

Equipped creature gets +3/+1.

Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card.

When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield, exile equipped creature.

Equip

Obelisk of Alara

Artifact

, : You gain 5 life.

, : Draw a card, then discard a card.

, : Target creature gets -2/-2 until end of turn.

, : Obelisk of Alara deals 3 damage to target player.

, : Target creature gets +4/+4 until end of turn.

Obelisk of Bant

Artifact

: Add , , or to your mana pool.

Whether incorporated into the structure of castles or admired as lone symbols, the obelisks stand for Bant's values of loyalty, honor, and truth.

Obelisk of Esper

Artifact

: Add , , or to your mana pool.

It is a monument as austere, unyielding, and inscrutable as Esper itself.

Obelisk of Grixis

Artifact

: Add , , or to your mana pool.

Like most features of Grixis, the obelisks that remain from the time of Alara now exist only for dark exploitation.

Obelisk of Jund

Artifact

: Add , , or to your mana pool.

Volcanic ash-winds batter it, climbing vines overwhelm it, dragonfire roasts it, and yet it still stands as a testament to a forgotten world.

Obelisk of Naya

Artifact

: Add , , or to your mana pool.

Centuries have passed since the plane shattered, yet the obelisks of each shard faithfully serve their long-forgotten purpose.

Obelisk of Undoing

Artifact

, : Return target permanent you both own and control to your hand.

The Battle of Tomakul taught Urza not to rely on fickle reinforcements.

Obelisk of Urd

Artifact

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Oblivion Stone

Artifact

, : Put a fate counter on target permanent.

, , Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

Obsianus Golem

Artifact Creature - Golem

"The foot stone is connected to the ankle stone, the ankle stone is connected to the leg stone . . ."
-Song of the Artificer

Obsidian Battle-Axe

Tribal Artifact - Warrior Equipment

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.

Equip

It's the flint that sparks a warrior's rage.

Ogre's Cleaver

Artifact - Equipment

Equipped creature gets +5/+0.

Equip

She adopted the weapon of the slave-lord Kazuul, and with it, all his cruelty.

Ojutai Monument

Artifact

: Add or to your mana pool.

: Ojutai Monument becomes a 4/4 white and blue Dragon artifact creature with flying until end of turn.

Ojutai spends time at all his strongholds, but he most favors Cori Stronghold for his meditation.

Omega Myr

Artifact Creature - Myr

Omen Machine

Artifact

Players can't draw cards.

At the beginning of each player's draw step, that player exiles the top card of his or her library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

One-Eyed Scarecrow

Artifact Creature - Scarecrow

Defender

Creatures with flying your opponents control get -1/-0.

Farmhands and priests mutter curses at the ragged thing; it unnerves more than just the crows.

Onulet

Artifact Creature - Construct

When Onulet dies, you gain 2 life.

An early inspiration for Urza, Tocasia's Onulets contained magical essences that could be cannibalized after they stopped functioning.

Onyx Goblet

Artifact

: Target player loses 1 life.

The goblet was a gift from the sphinx Gorael, who hoped humans and vedalken would eventually destroy each other to acquire it, leaving all of Esper to her own kind.

Onyx Talisman

Artifact

Whenever a player casts a black spell, you may pay . If you do, untap target permanent.

Opaline Bracers

Artifact - Equipment

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

Equipped creature gets +X/+X, where X is the number of charge counters on Opaline Bracers.

Equip (: Attach to target creature you control. Equip only as a sorcery.)