Masticore

Artifact Creature - Masticore

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

: Masticore deals 1 damage to target creature.

: Regenerate Masticore.

Master Transmuter

Artifact Creature - Human Artificer

, , Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

"Wasted potential surrounds us. Lend me that bauble, and let me see what it can be made to be."

Master of Etherium

Artifact Creature - Vedalken Wizard

Master of Etherium's power and toughness are each equal to the number of artifacts you control.

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

"Only a mind unfettered with the concerns of the flesh can see the world as it truly is."

Marble Priest

Artifact Creature - Cleric

All Walls able to block Marble Priest do so.

Prevent all combat damage that would be dealt to Marble Priest by Walls.

Mantis Engine

Artifact Creature - Insect

: Mantis Engine gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

: Mantis Engine gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

"It's a clever design. You should look closely at its gearing after it swallows your head."
-Jhoira, master artificer

Manor Gargoyle

Artifact Creature - Gargoyle

Defender

Manor Gargoyle has indestructible as long as it has defender.

: Until end of turn, Manor Gargoyle loses defender and gains flying.

Nothing could break it but the fall.

Manakin

Artifact Creature - Construct

: Add to your mana pool.

Hanna regarded Squee sternly. "Because it's not a toy, no matter how much it may look like one," she said, taking the manakin from him.

Malachite Golem

Artifact Creature - Golem

: Malachite Golem gains trample until end of turn.

Magister Sphinx

Artifact Creature - Sphinx

Flying

When Magister Sphinx enters the battlefield, target player's life total becomes 10.

"These benighted worlds are thick with ignorance. I will educate them. They will listen, or they will die."

Lurking Automaton

Artifact Creature - Construct

Reveal Lurking Automaton as you draft it and note how many cards you've drafted this draft round, including Lurking Automaton.

Lurking Automaton enters the battlefield with X +1/+1 counters on it, where X is the highest number you noted for cards named Lurking Automaton.

Lurebound Scarecrow

Artifact Creature - Scarecrow

As Lurebound Scarecrow enters the battlefield, choose a color.

When you control no permanents of the chosen color, sacrifice Lurebound Scarecrow.

It's a fool's race to run if all is lost if it be won.

Lunar Avenger

Artifact Creature - Golem

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

Remove a +1/+1 counter from Lunar Avenger: Lunar Avenger gains your choice of flying, first strike, or haste until end of turn.

Lumengrid Gargoyle

Artifact Creature - Gargoyle

Flying

"Anything that watches without sleep and fights without fear is a valuable ally against the Phyrexians."
-Kara Vrist, Neurok agent

Lotus Guardian

Artifact Creature - Dragon

Flying

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

Lotus fields are too valuable to leave undefended.

Lore Seeker

Artifact Creature - Construct

Reveal Lore Seeker as you draft it. After you draft Lore Seeker, you may add a booster pack to the draft. (Your next pick is from that booster pack. Pass it to the next player and it's drafted this draft round.)

Each volume contains wonders.

Lodestone Myr

Artifact Creature - Myr

Trample

Tap an untapped artifact you control: Lodestone Myr gets +1/+1 until end of turn.

Lodestone Golem

Artifact Creature - Golem

Nonartifact spells cost more to cast.

"Somehow it warps the Æther. It brings a strange weight, a blockade in the flow of spellcraft."
-Noyan Dar, Tazeem lullmage

Lockjaw Snapper

Artifact Creature - Scarecrow

Wither (This deals damage to creatures in the form of -1/-1 counters.)

When Lockjaw Snapper dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

Living Wall

Artifact Creature - Wall

Defender (This creature can't attack.)

: Regenerate Living Wall.

Some fiendish mage had created a horrifying wall of living flesh, patched together from a jumble of still-recognizable body parts. As we sought to hew our way through it, some unknown power healed the gaping wounds we cut, denying us passage.

Limestone Golem

Artifact Creature - Golem

, Sacrifice Limestone Golem: Target player draws a card.

Dwarves have been known to take pickaxes to their own creations, hoping to discover treasures within.

Leveler

Artifact Creature - Juggernaut

When Leveler enters the battlefield, exile all cards from your library.

Leashling

Artifact Creature - Hound

Put a card from your hand on top of your library: Return Leashling to its owner's hand.

Constructed of leather and irony.

Leaden Myr

Artifact Creature - Myr

: Add to your mana pool.

The myr are like necrogen: a transformative force unconcerned with the changes they wreak.

Lead-Belly Chimera

Artifact Creature - Chimera

Trample

Sacrifice Lead-Belly Chimera: Put a +2/+2 counter on target Chimera creature. It gains trample. (This effect lasts indefinitely.)

Lead Golem

Artifact Creature - Golem

Whenever Lead Golem attacks, it doesn't untap during its controller's next untap step.

Slow and heavy swings the club.

Kuldotha Forgemaster

Artifact Creature - Construct

, Sacrifice three artifacts: Search your library for an artifact card and put it onto the battlefield. Then shuffle your library.

The goblins say it used to be larger, before it began to stoke the Great Furnace with pieces of itself.

Kiln Walker

Artifact Creature - Construct

Whenever Kiln Walker attacks, it gets +3/+0 until end of turn.

If it possesses an ability to understand and appreciate life, it has never shown it.

Keldon Battlewagon

Artifact Creature - Juggernaut

Trample

Keldon Battlewagon can't block.

When Keldon Battlewagon attacks, sacrifice it at end of combat.

Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Keeper of the Lens

Artifact Creature - Golem

You may look at face-down creatures you don't control. (You may do this at any time.)

"It sees all, but it reveals what it sees only to a chosen few."
-Taigam, Ojutai master

Karn, Silver Golem

Legendary Artifact Creature - Golem

Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn.

: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.

Junktroller

Artifact Creature - Golem

Defender (This creature can't attack.)

: Put target card from a graveyard on the bottom of its owner's library.

One man's trash is another man's troller.

Junk Golem

Artifact Creature - Golem

Junk Golem enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, sacrifice Junk Golem unless you remove a +1/+1 counter from it.

, Discard a card: Put a +1/+1 counter on Junk Golem.

Junk Diver

Artifact Creature - Bird

Flying

When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Garbage in, treasure out.

Juggernaut

Artifact Creature - Juggernaut

Juggernaut attacks each turn if able.

Juggernaut can't be blocked by Walls.

The mighty city of An Karras, with its rich history, built over thousands of years, fell in three hours.

Jhoira's Toolbox

Artifact Creature - Insect

: Regenerate target artifact creature.

It entertained Jhoira to craft a kit that could bring her the tools.

Jhoira's Timebug

Artifact Creature - Insect

: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

Jawbone Skulkin

Artifact Creature - Scarecrow

: Target red creature gains haste until end of turn.

"Ah, skull of shrew-a very potent substance. In powdered form, it gives thrice the zing of noggle hoof pulp."
-Boghald, Barrenton medic

Jangling Automaton

Artifact Creature - Construct

Whenever Jangling Automaton attacks, untap all creatures defending player controls.

"We always look upon our first creations as masterpieces, no matter how awful they are."
-Hanna, Weatherlight navigator

Iron-Heart Chimera

Artifact Creature - Chimera

Vigilance

Sacrifice Iron-Heart Chimera: Put a +2/+2 counter on target Chimera creature. It gains vigilance. (This effect lasts indefinitely.)

Iron Myr

Artifact Creature - Myr

: Add to your mana pool.

The myr are like rusted metal: gleaming purpose hidden by a thin disguise of debris.