Sliversmith

Artifact Creature - Spellshaper

, , Discard a card: Put a 1/1 colorless Sliver artifact creature token named Metallic Sliver onto the battlefield.

After centuries of labor, its creations outnumber those they were to mimic.

Sludge Strider

Artifact Creature - Insect

Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay . If you do, target player loses 1 life and you gain 1 life.

Underneath the cities of Esper are cycles of life unseen by those who feed them.

Snapsail Glider

Artifact Creature - Construct

Metalcraft - Snapsail Glider has flying as long as you control three or more artifacts.

Built from a reconfigured thresher, it charges with light reflected off the golden plain, ready to take to the air in case of danger.

Solarion

Artifact Creature - Construct

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

: Double the number of +1/+1 counters on Solarion.

Soldier Replica

Artifact Creature - Soldier

, Sacrifice Soldier Replica: Soldier Replica deals 3 damage to target attacking or blocking creature.

Solemn Simulacrum

Artifact Creature - Golem

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

When Solemn Simulacrum dies, you may draw a card.

Soliton

Artifact Creature - Construct

: Untap Soliton.

The gemini engines had lost connection with each other and wandered apart, developing an independent awareness of their surroundings.

Soul of New Phyrexia

Artifact Creature - Avatar

Trample

: Permanents you control gain indestructible until end of turn.

, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

Soultether Golem

Artifact Creature - Golem

Vanishing 1 (This permanent enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Whenever another creature enters the battlefield under your control, put a time counter on Soultether Golem.

Spellskite

Artifact Creature - Horror

: Change a target of target spell or ability to Spellskite. ( can be paid with either or 2 life.)

"Let's show Vorinclex that progress doesn't always need teeth or claws."
-Malcator, Executor of Synthesis

Sphinx of the Steel Wind

Artifact Creature - Sphinx

Flying, first strike, vigilance, lifelink, protection from red and from green

No one has properly answered her favorite riddle: "Why should I spare your life?"

Sphinx Sovereign

Artifact Creature - Sphinx

Flying

At the beginning of your end step, you gain 3 life if Sphinx Sovereign is untapped. Otherwise, each opponent loses 3 life.

"What rises without legs, whispers without a voice, bites without teeth, and dies without having life?"

Sphinx Summoner

Artifact Creature - Sphinx

Flying

When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, and put it into your hand. If you do, shuffle your library.

Sphinx's Herald

Artifact Creature - Vedalken Wizard

, , Sacrifice a white creature, a blue creature, and a black creature: Search your library for a card named Sphinx Sovereign and put it onto the battlefield. Then shuffle your library.

He calls a riddle through the gaps of cloven clouds, hoping for an answer.

Spin Engine

Artifact Creature - Construct

: Target creature can't block Spin Engine this turn.

"It will be battle-ready before our strike at Oxid Ridge, and it will guarantee our victory."
-Ketuc of the Helm

Spinal Parasite

Artifact Creature - Insect

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

Remove two +1/+1 counters from Spinal Parasite: Remove a counter from target permanent.

Spincrusher

Artifact Creature - Construct

Whenever Spincrusher blocks, put a +1/+1 counter on it.

Remove a +1/+1 counter from Spincrusher: Spincrusher is unblockable this turn.

It rolls with the punches.

Spined Thopter

Artifact Creature - Thopter

( can be paid with either or 2 life.)

Flying

"I appreciate the depravity of noble designs turned to devious ends."
-Tezzeret

Spire Golem

Artifact Creature - Golem

Affinity for Islands (This spell costs less to cast for each Island you control.)

Flying

The longer it soars above the shimmering swirls of the Quicksilver Sea, the more it adopts their unpredictability.

Steel Golem

Artifact Creature - Golem

You can't cast creature spells.

"Once you create perfection, what else is there to make?"
-Arcum Dagsson, Soldevi machinist

Steel Hellkite

Artifact Creature - Dragon

Flying

: Steel Hellkite gets +1/+0 until end of turn.

: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.

Steel Overseer

Artifact Creature - Construct

: Put a +1/+1 counter on each artifact creature you control.

"The world is already run by all manner of machines. One day, they'll remind us of that fact."
-Sargis Haz, artificer

Steel Wall

Artifact Creature - Wall

Defender (This creature can't attack.)

Steelclad Serpent

Artifact Creature - Serpent

Steelclad Serpent can't attack unless you control another artifact.

"From the highest towers to the deepest sea, all life must be touched by etherium."
-Lodus of the Ethersworn

Stone Golem

Artifact Creature - Golem

The sculptor, like most artists, put his heart and soul in his work. But the newly awakened golem decided he wanted his creator's other, more tangible parts.

Stonework Puma

Artifact Creature - Cat Ally

"We suffer uneasy ground, unstable alliances, and unpredictable magic. Something you can truly trust is worth more than a chest of gold."
-Nikou, Joraga bard

Street Sweeper

Artifact Creature - Construct

Whenever Street Sweeper attacks, destroy all Auras attached to target land.

The sweepers roam endlessly, scrubbing away the refuse-and anything else too slow or too clumsy to get out of their way.

Stuffy Doll

Artifact Creature - Construct

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

: Stuffy Doll deals 1 damage to itself.

Summoner's Egg

Artifact Creature - Construct

Imprint - When Summoner's Egg enters the battlefield, you may exile a card from your hand face down.

When Summoner's Egg dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Suncrusher

Artifact Creature - Construct

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 Suncrusher: Destroy target creature.

, Remove a +1/+1 counter from Suncrusher: Return Suncrusher to its owner's hand.

Sundering Titan

Artifact Creature - Golem

When Sundering Titan enters the battlefield or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

Suntouched Myr

Artifact Creature - Myr

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

As the fifth sun joins the other four, new abilities awaken in the creatures of Mirrodin.

Sylvok Replica

Artifact Creature - Shaman

, Sacrifice Sylvok Replica: Destroy target artifact or enchantment.

All the zeal of the Sylvok with only a trace of their conservancy.

Synod Centurion

Artifact Creature - Construct

When you control no other artifacts, sacrifice Synod Centurion.

"We order them to stand, they stand. We order them to wait, they wait. We order them to die, they die."
-Pontifex, elder researcher

Tangle Golem

Artifact Creature - Golem

Affinity for Forests (This spell costs less to cast for each Forest you control.)

The longer it weaves through the twisted vines of the Tangle, the more it adopts their hidden strength.

Tangle Hulk

Artifact Creature - Beast

: Regenerate Tangle Hulk.

"A true Phyrexian predator. It will never know death, just as nature intended."
-Vorinclex, Voice of Hunger

Tatterkite

Artifact Creature - Scarecrow

Flying

Tatterkite can't have counters placed on it.

"I rigged it together from wicker and scrap, yet somehow I find it unalterably perfect."
-Braenna, cobblesmith

Thermal Navigator

Artifact Creature - Construct

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

It takes off with a roar of superheated wind, startling wild pterons as they survey the ground below.

Thopter Assembly

Artifact Creature - Thopter

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and put five 1/1 colorless Thopter artifact creature tokens with flying onto the battlefield.

Thornwatch Scarecrow

Artifact Creature - Scarecrow

Thornwatch Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)

Thornwatch Scarecrow has vigilance as long as you control a white creature.