Masters Edition IV

Flying Carpet

Flying Carpet {4}

Artifact
{2}, {T}: Target creature gains flying until end of turn.
Related card: City in a Bottle
Gauntlet of Might

Gauntlet of Might {4}

Artifact
Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.
Glasses of Urza

Glasses of Urza {1}

Artifact
{T}: Look at target player's hand.
Grapeshot Catapult

Grapeshot Catapult {4}

Artifact Creature - Construct
{T}: Grapeshot Catapult deals 1 damage to target creature with flying.
For years scholars debated whether these were Urza's or Mishra's creations. Recent research suggests they were invented by the brothers' original master, Tocasia, and that both used these devices.
2/3
Related card: Golgothian Sylex
Horn of Deafening

Horn of Deafening {4}

Artifact
{2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.
"A blast, an echo . . . then silence."
Ice Cauldron

Ice Cauldron {4}

Artifact
{X}, {T}: You may exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Put a charge counter on Ice Cauldron and note the type and amount of mana spent to pay this activation cost. Activate only if there are no charge counters on Ice Cauldron.
{T}, Remove a charge counter from Ice Cauldron: Add Ice Cauldron's last noted type and amount of mana. Spend this mana only to cast the last card exiled with Ice Cauldron.
Icy Manipulator

Icy Manipulator {4}

Artifact
{1}, {T}: Tap target artifact, creature, or land.
Jade Monolith

Jade Monolith {4}

Artifact
{1}: The next time a source of your choice would deal damage to target creature this turn, that source deals that damage to you instead.
Juggernaut

Juggernaut {4}

Artifact Creature - Juggernaut
Juggernaut attacks each combat if able.
Juggernaut can't be blocked by Walls.
We had taken refuge in a small cave, thinking the entrance was too narrow for it to follow. To our horror, its gigantic head smashed into the mountainside, ripping itself a new entrance.
5/3
Related card: Juggernaut Peddler
Kormus Bell

Kormus Bell {4}

Artifact
All Swamps are 1/1 black creatures that are still lands.
Library of Leng

Library of Leng {1}

Artifact
You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.
Living Wall

Living Wall {4}

Artifact Creature - Wall
Defender
{1}: 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.
0/6
Mana Matrix

Mana Matrix {6}

Artifact
Instant and enchantment spells you cast cost up to {2} less to cast.
Mana Vault

Mana Vault {1}

Artifact
Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.
Mightstone

Mightstone {4}

Artifact
Attacking creatures get +1/+0.
While exploring the sacred cave of Koilos with his brother Mishra and their master Tocasia, Urza fell behind in the Hall of Tagsin, where he discovered the remarkable Mightstone.
Related card: Golgothian Sylex
Naked Singularity

Naked Singularity {5}

Artifact
Cumulative upkeep {3}
If tapped for mana, Plains produce {R}, Islands produce {G}, Swamps produce {W}, Mountains produce {U}, and Forests produce {B} instead of any other type.
Obelisk of Undoing

Obelisk of Undoing {1}

Artifact
{6}, {T}: Return target permanent you both own and control to your hand.
The Battle of Tomakul taught Urza not to rely on fickle reinforcements.
Related card: Golgothian Sylex
Obsianus Golem

Obsianus Golem {6}

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"
4/6
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
Related card: Golgothian Sylex
Pentagram of the Ages

Pentagram of the Ages {4}

Artifact
{4}, {T}: The next time a source of your choice would deal damage to you this turn, prevent that damage.
"Take this item, for instance. How would it destroy us, Relicbane?"
—Arcum Dagsson, Soldevi Machinist
Planar Gate

Planar Gate {6}

Artifact
Creature spells you cast cost up to {2} less to cast.
Nireya reached through the Gate, sensing the energies trapped beyond.
Primal Clay

Primal Clay {4}

Artifact Creature - Shapeshifter
As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifact creature with defender in addition to its other types.
*/*
Related cards: Golgothian Sylex Primal Plasma
Rakalite

Rakalite {6}

Artifact
{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return Rakalite to its owner's hand at the beginning of the next end step.
Urza was the first to understand that the war would not be lost for lack of power, but for lack of troops.
Related card: Golgothian Sylex
Ring of Renewal

Ring of Renewal {5}

Artifact
{5}, {T}: Discard a card at random, then draw two cards.
To the uninitiated, the Ring of Renewal is merely an oddity. For those fluent in the wielding of magic, however, it is a source of great knowledge.
Scarecrow

Scarecrow {5}

Artifact Creature - Scarecrow
{6}, {T}: Prevent all damage that would be dealt to you this turn by creatures with flying.
There was more malice in its button eyes than should have been possible in something that had never known life.
2/2