Viseling

Artifact Creature - Construct

At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in his or her hand minus 4.

"This may hurt a lot."

Hollow Warrior

Artifact Creature - Golem Warrior

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat.

Though it moves like a living thing, anyone can tell it lacks a soul-not to mention mercy.

Dodecapod

Artifact Creature - Golem

If a spell or ability an opponent controls causes you to discard Dodecapod, put it onto the battlefield with two +1/+1 counters on it instead of putting it into your graveyard.

Clockwork Condor

Artifact Creature - Bird

Flying

Clockwork Condor enters the battlefield with three +1/+1 counters on it.

Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Cobalt Golem

Artifact Creature - Golem

: Cobalt Golem gains flying until end of turn.

Dross Scorpion

Artifact Creature - Scorpion

Whenever Dross Scorpion or another artifact creature dies, you may untap target artifact.

Duskworker

Artifact Creature - Construct

Whenever Duskworker becomes blocked, regenerate it.

: Duskworker gets +1/+0 until end of turn.

Frogmite

Artifact Creature - Frog

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

Goblin War Wagon

Artifact Creature - Juggernaut

Goblin War Wagon doesn't untap during your untap step.

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

Grid Monitor

Artifact Creature - Construct

You can't cast creature spells.

Hematite Golem

Artifact Creature - Golem

: Hematite Golem gets +2/+0 until end of turn.

Lodestone Myr

Artifact Creature - Myr

Trample

Tap an untapped artifact you control: Lodestone Myr gets +1/+1 until end of turn.

Needlebug

Artifact Creature - Insect

Flash

Protection from artifacts

Rust Elemental

Artifact Creature - Elemental

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Rustspore Ram

Artifact Creature - Sheep

When Rustspore Ram enters the battlefield, destroy target Equipment.

Arcbound Crusher

Artifact Creature - Juggernaut

Trample

Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher.

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

Arcbound Hybrid

Artifact Creature - Beast

Haste

Modular 2 (This enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Reclaimer

Artifact Creature - Golem

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.

Modular 2 (This enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Drill-Skimmer

Artifact Creature - Thopter

Flying

Drill-Skimmer has shroud as long as you control another artifact creature. (It can't be the target of spells or abilities.)

In close proximity, their magnetic energies merge and form a field of protection.

Eater of Days

Artifact Creature - Leviathan

Flying, trample

When Eater of Days enters the battlefield, you skip your next two turns.

When Mirrodin's varied civilizations developed ways to fight the levelers, Memnarch upped the stakes.

Voltaic Construct

Artifact Creature - Golem Construct

: Untap target artifact creature.

The undead may outlast the living, but those who have never lived outlast them both.

Etched Oracle

Artifact Creature - Wizard

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

, Remove four +1/+1 counters from Etched Oracle: Target player draws three cards.

Myr Quadropod

Artifact Creature - Myr

: Switch Myr Quadropod's power and toughness until end of turn.

Each myr was designed to fill a specific role. This one, for example, was designed to stomp on other myr.

Silent Arbiter

Artifact Creature - Construct

No more than one creature can attack each combat.

No more than one creature can block each combat.

Scholars say that arbiters exist on every world, created by an unknown hand to enforce justice.

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.

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

Junktroller

Artifact Creature - Golem

Defender (This creature can't attack.)

: Put target card from a graveyard on the bottom of its owner's library.

One man's trash is another man's troller.

Bronze Bombshell

Artifact Creature - Construct

When a player other than Bronze Bombshell's owner controls it, that player sacrifices it. If the player does, Bronze Bombshell deals 7 damage to him or her.

"Ooh, shiny! Let's pull off the chain and take her with us."
-Ukl, Gruul raider, last words

Transguild Courier

Artifact Creature - Golem

Reluctant to meet face to face, the leaders of the ten guilds prefer to do official business through a go-between immune to bribes and threats.

Lodestone Golem

Artifact Creature - Golem

Nonartifact spells cost more to cast.

"Somehow it warps the Æther. It brings a strange weight, a blockade in the flow of spellcraft."
-Noyan Dar, Tazeem lullmage

Hedron Rover

Artifact Creature - Construct

Landfall - Whenever a land enters the battlefield under your control, Hedron Rover gets +2/+2 until end of turn.

"Now that it has woken up and wandered off, we should go see what it was guarding."
-Gotzen, Bulwark explorer

Millennial Gargoyle

Artifact Creature - Gargoyle

Flying

"You've got to keep your wits about you on the roofs. Not all stones are compliant handholds."
-Iveta, rooftop runner

Akroan Horse

Artifact Creature - Horse

Defender

When Akroan Horse enters the battlefield, an opponent gains control of it.

At the beginning of your upkeep, each opponent puts a 1/1 white Soldier creature token onto the battlefield.

Anvilwrought Raptor

Artifact Creature - Bird

Flying, first strike

"I know its lightness, for I have seen it fly. I know its weight, for I have seen it strike."
-Brigone, soldier of Meletis

Canal Dredger

Artifact Creature - Construct

Draft Canal Dredger face up.

Each player passes the last card from each booster pack to a player who drafted a card named Canal Dredger.

: Put target card from your graveyard on the bottom of your library.

Cogwork Librarian

Artifact Creature - Construct

Draft Cogwork Librarian face up.

As you draft a card, you may draft an additional card from that booster pack. If you do, put Cogwork Librarian into that booster pack.

Why wait for answers?

Cogwork Tracker

Artifact Creature - Hound Construct

Reveal Cogwork Tracker as you draft it and note the player who passed it to you.

Cogwork Tracker attacks each turn if able.

Cogwork Tracker attacks a player you noted for cards named Cogwork Tracker each turn if able.

Ugin's Construct

Artifact Creature - Construct

When Ugin's Construct enters the battlefield, sacrifice a permanent that's one or more colors.

While trapping the Eldrazi on Zendikar, Ugin learned little from Sorin, but he gleaned the rudiments of lithomancy from Nahiri.

Ancestral Statue

Artifact Creature - Golem

When Ancestral Statue enters the battlefield, return a nonland permanent you control to its owner's hand.

The mage awakened the statue in hopes of learning the lost lore of her clan, but the statue was interested only in war.

Dragonloft Idol

Artifact Creature - Gargoyle

As long as you control a Dragon, Dragonloft Idol gets +1/+1 and has flying and trample.

The idols were forged during the time of the Khanfall, when the dragons came to rule Tarkir and its people aligned themselves with the five dragonlords.