Masters Edition

Masters Edition contains 195 cards.
Released: 2007-09-10
Is it an online only set.
Ankh of Mishra

Ankh of Mishra {2}

Artifact
Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.
Ashnod's Transmogrant

Ashnod's Transmogrant {1}

Artifact
{T}, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.
Ashnod found few willing to trade their humanity for the power she offered them.
Clockwork Beast

Clockwork Beast {6}

Artifact Creature - Beast
Clockwork Beast enters the battlefield with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate this ability only during your upkeep.
0/4
Copper Tablet

Copper Tablet {2}

Artifact
At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.
Cursed Rack

Cursed Rack {4}

Artifact
As Cursed Rack enters the battlefield, choose an opponent.
The chosen player's maximum hand size is four.
Ashnod invented several torture techniques that could make victims even miles away beg for mercy as if the End had come.
Dragon Engine

Dragon Engine {3}

Artifact Creature - Construct
{2}: Dragon Engine gets +1/+0 until end of turn.
Those who believed the city of Kroog would never fall to Mishra's forces severely underestimated the might of his war machines.
1/3
Forcefield

Forcefield {3}

Artifact
{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.
Ivory Tower

Ivory Tower {1}

Artifact
At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.
Valuing scholarship above all else, the inhabitants of the Ivory Tower reward those who sacrifice power for knowledge.
Mirror Universe

Mirror Universe {6}

Artifact
{T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate this ability only during your upkeep.
Nevinyrral's Disk

Nevinyrral's Disk {4}

Artifact
Nevinyrral's Disk enters the battlefield tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.
Onulet

Onulet {3}

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.
2/2
Phyrexian War Beast

Phyrexian War Beast {3}

Artifact Creature - Beast
When Phyrexian War Beast leaves the battlefield, sacrifice a land and Phyrexian War Beast deals 1 damage to you.
"Knowing its origins, how could they have thought they could control it?"
—Sorine Relicbane, Soldevi heretic
3/4
Ring of Ma'rûf

Ring of Ma'rûf {5}

Artifact
{5}, {T}, Exile Ring of Ma'rûf: The next time you would draw a card this turn, instead choose a card you own from outside the game and put it into your hand.
Serpent Generator

Serpent Generator {6}

Artifact
{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter."
Shield of the Ages

Shield of the Ages {2}

Artifact
{2}: Prevent the next 1 damage that would be dealt to you this turn.
"This shield is a true rarity: an artifact whose purpose is obvious."
—Arcum Dagsson, Soldevi machinist
Shield Sphere

Shield Sphere {0}

Artifact Creature - Wall
Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.
"My soldiers know that they need never fear for their protection."
—King Darien of Kjeldor
0/6
Stone Calendar

Stone Calendar {5}

Artifact
Spells you cast cost up to {1} less to cast.
The Pretender Mairsil ordered a great calendar drawn up to show when the paths to the Dark Lands were strongest.
Su-Chi

Su-Chi {4}

Artifact Creature - Construct
When Su-Chi dies, add {C}{C}{C}{C}.
Flawed copies of relics from the Thran Empire, the su-chi were inherently unstable but provided useful knowledge for Tocasia's students.
4/4
Tawnos's Coffin

Tawnos's Coffin {4}

Artifact
You may choose not to untap Tawnos's Coffin during your untap step.
{3}, {T}: Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When Tawnos's Coffin leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.
Urza's Bauble

Urza's Bauble {0}

Artifact
{T}, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.
Urza's Chalice

Urza's Chalice {1}

Artifact
Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.
When sorely wounded or tired, Urza would often retreat to the workshops of his apprentices. They were greatly amazed at how much better he looked each time he took a sip of water.
Walking Wall

Walking Wall {4}

Artifact Creature - Wall
Defender
{3}: Walking Wall 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.
"The fortress is not what it seems."
—Arcum Dagsson, Soldevi machinist
0/6
Winter Orb

Winter Orb {2}

Artifact
As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.
Zuran Orb

Zuran Orb {0}

Artifact
Sacrifice a land: You gain 2 life.
"I will go to any length to achieve my goal. Eternal life is worth any sacrifice."
—Zur the Enchanter
Diamond Valley

Diamond Valley

Land
{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.