Voltaic Servant

At the beginning of your end step, untap target artifact.

Glacian, Powerstone Engineer

{T}, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of those cards into your hand and the rest into your graveyard.
Partner (You can have two commanders if both have partner.)

Mad Science Fair Project

{T}: Roll a six-sided die. On a 3 or lower, target player adds {C}. Otherwise, that player adds one mana of any color they choose.

One-Eyed Scarecrow

Defender
Creatures with flying your opponents control get -1/-0.

Gearseeker Serpent

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
{5}{U}: This creature can't be blocked this turn.

Workshop Assistant

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

Powerstone Shard

{T}: Add {C} for each artifact you control named Powerstone Shard.

Preordain

Scry 2, then draw a card. (To 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.)

Ichor Wellspring

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

Stoic Rebuttal

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

Mirran Spy

Flying
Whenever you cast an artifact spell, you may untap target creature.

Seat of the Synod

Vedalken Certarch

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

Vedalken Engineer

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Gearsmith Guardian

This creature gets +2/+0 as long as you control a blue creature.

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.

Soliton

Lens of Clarity

You may look at the top card of your library and at face-down creatures you don't control any time.

Dramatic Reversal

Untap all nonland permanents you control.

Etherium Sculptor

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

Immobilizing Ink

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
Enchanted creature has "{1}, Discard a card: Untap this creature."

Archaeomender

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

Rush of Knowledge

Draw cards equal to the highest mana value among permanents you control.

Thought Vessel

You have no maximum hand size.
{T}: Add {C}.

Glassblower's Puzzleknot

When this artifact enters, scry 2, then you get {E}{E}. (You get two energy counters. To 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.)
{2}{U}, Sacrifice this artifact: Scry 2, then you get {E}{E}.

Hedron Crawler

{T}: Add {C}. ({C} represents colorless mana.)

Island

Frogmite

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

Moonglove Extract

Sacrifice Moonglove Extract: It deals 2 damage to any target.

Argivian Restoration

Return target artifact card from your graveyard to the battlefield.

Corridor Monitor

When this creature enters, untap target artifact or creature you control.

Darksteel Pendant

Indestructible (Effects that say "destroy" don't destroy this artifact.)
{1}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Mycosynth Wellspring

When this artifact enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.