Book of Rass

Artifact

, Pay 2 life: Draw a card.

Runesword

Artifact

, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.

Amulet of Quoz

Artifact

Remove Amulet of Quoz from your deck before playing if you're not playing for ante.

, Sacrifice Amulet of Quoz: Target opponent may add the top card of his or her library to the ante. If he or she doesn't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate this ability only during your upkeep.

Celestial Sword

Artifact

, : 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

Flowstone Sculpture

Artifact Creature - Shapeshifter

, Discard a card: Put a +1/+1 counter on Flowstone Sculpture or Flowstone Sculpture gains flying, first strike, or trample. (This effect lasts indefinitely.)

The sculptor, weary of his work, created art that would finish itself.

Workhorse

Artifact Creature - Horse

Workhorse enters the battlefield with four +1/+1 counters on it.

Remove a +1/+1 counter from Workhorse: Add to your mana pool.

Urza's Blueprints

Artifact

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

: Draw a card.

From concept to paper to reality.

Horn of Plenty

Artifact

Whenever a player casts a spell, he or she may pay . If that player does, he or she draws a card at the beginning of the next end step.

"This horn is an exact replica of the fabled Horn of Ramos, except mine is more lavish."
-Mercadian magistrate

Well of Discovery

Artifact

At the beginning of your end step, if you control no untapped lands, draw a card.

When you have given everything, then you are capable of anything.
-Well inscription

Alloy Golem

Artifact Creature - Golem

As Alloy Golem enters the battlefield, choose a color.

Alloy Golem is the chosen color. (It's still an artifact.)

"We turned old weapons into new warriors."
-Jhoira, master artificer

Doom Cannon

Artifact

As Doom Cannon enters the battlefield, choose a creature type.

, , Sacrifice a creature of the chosen type: Doom Cannon deals 3 damage to target creature or player.

Tribal Golem

Artifact Creature - Golem

Tribal Golem has trample as long as you control a Beast, haste as long as you control a Goblin, first strike as long as you control a Soldier, flying as long as you control a Wizard, and ": Regenerate Tribal Golem" as long as you control a Zombie.

Duplicant

Artifact Creature - Shapeshifter

Imprint - When Duplicant enters the battlefield, you may exile target nontoken creature.

As long as the exiled card is a creature card, Duplicant has that card's power, toughness, and creature types. It's still a Shapeshifter.

Gate to the Æther

Artifact

At the beginning of each player's upkeep, that player reveals the top card of his or her library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

Goblin Dirigible

Artifact Creature - Construct

Flying

Goblin Dirigible doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Goblin Dirigible.

Malachite Golem

Artifact Creature - Golem

: Malachite Golem gains trample until end of turn.

Mirror Golem

Artifact Creature - Golem

Imprint - When Mirror Golem enters the battlefield, you may exile target card from a graveyard.

Mirror Golem has protection from each of the exiled card's card types. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)

Myr Incubator

Artifact

, , Sacrifice Myr Incubator: Search your library for any number of artifact cards, exile them, then put that many 1/1 colorless Myr artifact creature tokens onto the battlefield. Then shuffle your library.

Arcbound Fiend

Artifact Creature - Horror

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, you may move a +1/+1 counter from target creature onto Arcbound Fiend.

Modular 3 (This enters the battlefield with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Auriok Siege Sled

Artifact Creature - Juggernaut

: Target artifact creature blocks Auriok Siege Sled this turn if able.

: Target artifact creature can't block Auriok Siege Sled this turn.

Everything in its path is either pushed aside or ground under.

Gemini Engine

Artifact Creature - Construct

Whenever Gemini Engine attacks, put a colorless Construct artifact creature token named Twin onto the battlefield attacking. Its power is equal to Gemini Engine's power and its toughness is equal to Gemini Engine's toughness. Sacrifice the token at end of combat.

Mycosynth Lattice

Artifact

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

Oxidda Golem

Artifact Creature - Golem

Affinity for Mountains (This spell costs less to cast for each Mountain you control.)

Haste

The longer it patrols the smoldering crags of the Oxidda Chain, the more it adopts their fiery temper.

Razor Golem

Artifact Creature - Golem

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

Vigilance

The longer it stands among the deadly blades of the Razor Fields, the more it adopts their harsh exterior.

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.

Arachnoid

Artifact Creature - Spider

Reach (This creature can block creatures with flying.)

It follows the green sun over Mirrodin's surface, spinning massive webs of whispersilk as it goes.

Arcbound Wanderer

Artifact Creature - Golem

Modular-Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Salvaging Station

Artifact

: Return target noncreature artifact card with converted mana cost 1 or less from your graveyard to the battlefield.

Whenever a creature dies, you may untap Salvaging Station.

Sawtooth Thresher

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 two +1/+1 counters from Sawtooth Thresher: Sawtooth Thresher gets +4/+4 until end of turn.

Hair-Strung Koto

Artifact

Tap an untapped creature you control: Target player puts the top card of his or her library into his or her graveyard.

"The Kami War drove many members of Konda's court insane. As their spiritual world turned against them, so too did their minds turn from reality."
-The History of Kamigawa

Tatsumasa, the Dragon's Fang

Legendary Artifact - Equipment

Equipped creature gets +5/+5.

, Exile Tatsumasa, the Dragon's Fang: Put a 5/5 blue Dragon Spirit creature token with flying onto the battlefield. Return Tatsumasa to the battlefield under its owner's control when that token dies.

Equip

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.

Etherium-Horn Sorcerer

Artifact Creature - Minotaur Wizard

: Return Etherium-Horn Sorcerer to its owner's hand.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Phyrexian Devourer

Artifact Creature - Construct

When Phyrexian Devourer's power is 7 or greater, sacrifice it.

Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's converted mana cost.

Gold-Forged Sentinel

Artifact Creature - Chimera

Flying

Blessed by the gods. Coveted by mortals. Beholden to neither.

Cogwork Grinder

Artifact Creature - Construct

Draft Cogwork Grinder face up.

As you draft a card, you may remove it from the draft face down. (Those cards aren't in your card pool.)

Cogwork Grinder enters the battlefield with X +1/+1 counters on it, where X is the number of cards you removed from the draft with cards named Cogwork Grinder.

Obelisk of Urd

Artifact

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Scuttling Doom Engine

Artifact Creature - Construct

Scuttling Doom Engine can't be blocked by creatures with power 2 or less.

When Scuttling Doom Engine dies, it deals 6 damage to target opponent.

A masterwork of spite, inspired by madness.

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.

Will-Forged Golem

Artifact Creature - Golem

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

The modular nature of the automaton's design makes assembly perfectly intuitive.