Architects of Will

When this creature enters, look at the top three cards of target player's library, then put them back in any order.
Cycling {U/B} ({U/B}, Discard this card: Draw a card.)

Leaden Myr

Snow-Covered Forest

Ardent Recruit

Metalcraft - This creature gets +2/+2 as long as you control three or more artifacts.

Slagwoods Bridge

This land enters tapped.
Indestructible
{T}: Add {R} or {G}.

Prophetic Prism

When this artifact enters, draw a card.
{1}, {T}: Add one mana of any color.

Ghalma's Warden

Metalcraft — This creature gets +2/+2 as long as you control three or more artifacts.

Aether Spellbomb

{U}, Sacrifice this artifact: Return target creature to its owner's hand.
{1}, Sacrifice this artifact: Draw a card.

Snow-Covered Swamp

Shimmerdrift Vale

This land enters tapped.
As this land enters, choose a color.
{T}: Add one mana of the chosen color.

Woodland Chasm

({T}: Add {B} or {G}.)
This land enters tapped.

Into Thin Air

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Return target artifact to its owner's hand.

Thornglint Bridge

This land enters tapped.
Indestructible
{T}: Add {G} or {W}.

Somber Hoverguard

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying

Court Homunculus

This creature gets +1/+1 as long as you control another artifact.

Ancient Den

Welding Jar

Sacrifice this artifact: Regenerate target artifact.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Metalspinner's Puzzleknot

When this artifact enters, you draw a card and you lose 1 life.
{2}{B}, Sacrifice this artifact: You draw a card and you lose 1 life.

Volatile Fjord

({T}: Add {U} or {R}.)
This land enters tapped.

Silverbluff Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {R}.

Rustvale Bridge

This land enters tapped.
Indestructible
{T}: Add {R} or {W}.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Cranial Plating

Equipped creature gets +1/+0 for each artifact you control.
{B}{B}: Attach this Equipment to target creature you control.
Equip {1}

Tree of Tales

Etherium Spinner

Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.

Witching Well

When this artifact enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{3}{U}, Sacrifice this artifact: Draw two cards.

Alchemist's Vial

When this artifact enters, draw a card.
{1}, {T}, Sacrifice this artifact: Target creature can't attack or block this turn.

Snowfield Sinkhole

({T}: Add {W} or {B}.)
This land enters tapped.

Howling Golem

Whenever this creature attacks or blocks, each player draws a card.

Goldmire Bridge

This land enters tapped.
Indestructible
{T}: Add {W} or {B}.

Stoic Rebuttal

Metalcraft — This spell costs {1} less to cast if you control three or more artifacts.
Counter target spell.

Copper Myr

Auriok Sunchaser

Metalcraft — As long as you control three or more artifacts, this creature gets +2/+2 and has flying.

Letter of Acceptance

{T}: Add one mana of any color.
{2}, {T}, Sacrifice this artifact: Draw a card.

Carapace Forger

Myr Enforcer

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Dhund Operative

As long as you control an artifact, this creature gets +1/+0 and has deathtouch.

Ornithopter

Magnifying Glass

{T}: Add {C}.
{4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Glacial Floodplain

({T}: Add {W} or {U}.)
This land enters tapped.

Faerie Mechanist

Flying
When this creature enters, look at the top three cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Gold Myr

Prying Blade

Equipped creature gets +1/+0.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Arctic Treeline

({T}: Add {G} or {W}.)
This land enters tapped.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Foundry Assembler

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Skyscanner

Flying
When this creature enters, draw a card.

Etherium Sculptor

Artifact spells you cast cost {1} less to cast.

Flight Spellbomb

{T}, Sacrifice this artifact: Target creature gains flying until end of turn.
When this artifact is put into a graveyard from the battlefield, you may pay {U}. If you do, draw a card.

Foundry Inspector

Golem Foundry

Whenever you cast an artifact spell, you may put a charge counter on this artifact.
Remove three charge counters from this artifact: Create a 3/3 colorless Golem artifact creature token.

Vault of Whispers

Chrome Steed

Seat of the Synod

Conjurer's Bauble

{T}, Sacrifice this artifact: Put up to one target card from your graveyard on the bottom of your library. Draw a card.

Great Furnace

Golden Egg

When this artifact enters, draw a card.
{1}, {T}, Sacrifice this artifact: Add one mana of any color.
{2}, {T}, Sacrifice this artifact: You gain 3 life.

Darkmoss Bridge

This land enters tapped.
Indestructible
{T}: Add {B} or {G}.

Alpine Meadow

({T}: Add {R} or {W}.)
This land enters tapped.

Myr Retriever

When this creature dies, return another target artifact card from your graveyard to your hand.

Highland Forest

({T}: Add {R} or {G}.)
This land enters tapped.

Sanctum Gargoyle

Flying
When this creature enters, you may return target artifact card from your graveyard to your hand.

Razortide Bridge

This land enters tapped.
Indestructible
{T}: Add {W} or {U}.

Chromatic Star

{1}, {T}, Sacrifice this artifact: Add one mana of any color.
When this artifact is put into a graveyard from the battlefield, draw a card.

Sojourner's Companion

Affinity for artifacts
Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)

Foundry Screecher

Flying
This creature gets +1/+0 as long as you control an artifact.

Rimewood Falls

({T}: Add {G} or {U}.)
This land enters tapped.

Snow-Covered Island

Galvanic Blast

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Mistvault Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {B}.

Spire Serpent

Defender
Metalcraft - As long as you control three or more artifacts, this creature gets +2/+2 and can attack as though it didn't have defender.

Steelfin Whale

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Whenever an artifact you control enters, untap this creature.

Phyrexian Walker

Darksteel Citadel

Glassdust Hulk

Whenever another artifact you control enters, this creature gets +1/+1 until end of turn and can't be blocked this turn.
Cycling {W/U} ({W/U}, Discard this card: Draw a card.)

Chrome Courier

Flying
When this creature enters, reveal the top two cards of your library. Put one of them into your hand and the other into your graveyard. If you put an artifact card into your hand this way, you gain 3 life.

Sulfurous Mire

({T}: Add {B} or {R}.)
This land enters tapped.

Parcel Myr

{2}, Sacrifice this creature: Draw a card.

Drossforge Bridge

This land enters tapped.
Indestructible
{T}: Add {B} or {R}.

Ethersworn Shieldmage

Flash
When this creature enters, prevent all damage that would be dealt to artifact creatures this turn.

Workshop Assistant

Iron Myr

Silver Myr

Tanglepool Bridge

This land enters tapped.
Indestructible
{T}: Add {G} or {U}.

Gearsmith Prodigy

This creature gets +1/+0 as long as you control an artifact.

Runed Servitor

When this creature dies, each player draws a card.

Everflowing Chalice

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
This artifact enters with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on this artifact.

Snow-Covered Mountain

Atog

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Frogmite

Vedalken Certarch

Metalcraft — {T}: Tap target artifact, creature, or land. Activate only if you control three or more artifacts.

Fusion Elemental

Terrarion

This artifact enters tapped.
{2}, {T}, Sacrifice this artifact: Add two mana in any combination of colors.
When this artifact is put into a graveyard from the battlefield, draw a card.

Guild Globe

When this artifact enters, draw a card.
{2}, {T}, Sacrifice this artifact: Add two mana of different colors.

Snow-Covered Plains

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

Ice Tunnel

({T}: Add {U} or {B}.)
This land enters tapped.

Kaleidostone

When this artifact enters, draw a card.
{5}, {T}, Sacrifice this artifact: Add {W}{U}{B}{R}{G}.