Masters Edition IV

Masters Edition IV contains 269 cards.
Released: 2011-01-10
Is it an online only set.
Aesthir Glider

Aesthir Glider {3}

Artifact Creature - Bird Construct
Flying
Aesthir Glider can't block.
"Sacrilege! A noble ally in life, made nothing more than a glorified kite in death!"
—Arna Kennerüd, skycaptain
2/1
Al-abara's Carpet

Al-abara's Carpet {5}

Artifact
{5}, {T}: Prevent all damage that would be dealt to you this turn by attacking creatures without flying.
Al-abara simply laughed and lifted one finger, and the carpet carried her high out of our reach.
Alchor's Tomb

Alchor's Tomb {4}

Artifact
{2}, {T}: Target permanent you control becomes the color of your choice.
Amulet of Kroog

Amulet of Kroog {2}

Artifact
{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.
Among the first allies Urza gained were the people of Kroog. As a sign of friendship, Urza gave the healers of the city potent amulets; afterwards, thousands journeyed to Kroog in hope of healing, greatly adding to the city's glory.
Armageddon Clock

Armageddon Clock {6}

Artifact
At the beginning of your upkeep, put a doom counter on Armageddon Clock.
At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.
{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
Ashnod's Altar

Ashnod's Altar {3}

Artifact
Sacrifice a creature: Add {C}{C}.
Basalt Monolith

Basalt Monolith {3}

Artifact
Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.
Book of Rass

Book of Rass {6}

Artifact
{2}, Pay 2 life: Draw a card.
Bottle of Suleiman

Bottle of Suleiman {4}

Artifact
{1}, Sacrifice Bottle of Suleiman: Flip a coin. If you win the flip, create a 5/5 colorless Djinn artifact creature token with flying. If you lose the flip, Bottle of Suleiman deals 5 damage to you.
Brass Man

Brass Man {1}

Artifact Creature - Construct
Brass Man doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Man.
1/3
Bronze Horse

Bronze Horse {7}

Artifact Creature - Horse
Trample
As long as you control another creature, prevent all damage that would be dealt to Bronze Horse by spells that target it.
4/4
Candelabra of Tawnos

Candelabra of Tawnos {1}

Artifact
{X}, {T}: Untap X target lands.
Tawnos learned quickly from Urza that utter simplicity often led to wondrous, yet subtle utility.
Celestial Sword

Celestial Sword {6}

Artifact
{3}, {T}: Target creature you control gets +3/+3 until end of turn. Its controller sacrifices it at the beginning of the next end step.
"So great is its power, only the chosen can wield it and live."
—Avram Garrisson, Leader of the Knights of Stromgald
Clay Statue

Clay Statue {4}

Artifact Creature - Golem
{2}: Regenerate Clay Statue.
Tawnos won fame as Urza's greatest assistant. After he created these warriors, Urza ended his apprenticeship, promoting him directly to the rank of master.
3/1
Clockwork Avian

Clockwork Avian {5}

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

Clockwork Gnomes {4}

Artifact Creature - Gnome
{3}, {T}: Regenerate target artifact creature.
"Until I came to the Floating Isle, I never had to oil the servants."
—Baki, wizard attendant
2/2
Clockwork Swarm

Clockwork Swarm {4}

Artifact Creature - Insect
Clockwork Swarm enters the battlefield with four +1/+0 counters on it.
Clockwork Swarm can't be blocked by Walls.
At end of combat, if Clockwork Swarm attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on Clockwork Swarm. This ability can't cause the total number of +1/+0 counters on Clockwork Swarm to be greater than four. Activate this ability only during your upkeep.
0/3
Colossus of Sardia

Colossus of Sardia {9}

Artifact Creature - Golem
Trample
Colossus of Sardia doesn't untap during your untap step.
{9}: Untap Colossus of Sardia. Activate this ability only during your upkeep.
Buried under a thin layer of dirt, it was known for centuries as Mount Sardia.
9/9
Coral Helm

Coral Helm {3}

Artifact
{3}, Discard a card at random: Target creature gets +2/+2 until end of turn.
Cyclopean Tomb

Cyclopean Tomb {4}

Artifact
{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate this ability only during your upkeep.
When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.
Diabolic Machine

Diabolic Machine {7}

Artifact Creature - Construct
{3}: Regenerate Diabolic Machine.
"The bolts of our ballistae smashed into the monstrous thing, but our hopes died in our chests as its gears continued turning."
—Sevti Mukul, The Fall of Alsoor
4/4
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
Ebony Horse

Ebony Horse {3}

Artifact
{2}, {T}: Untap target attacking creature you control. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Ebony Rhino

Ebony Rhino {7}

Artifact Creature - Rhino
Trample
"That Rhino would fetch us a tidy sum, Joven. Perhaps it's time to make it ours."
—Chandler
4/5
Floodwater Dam

Floodwater Dam {3}

Artifact
{X}{X}{1}, {T}: Tap X target lands.
Viscerid dams may be of living creatures as well as bones and mud.