Soliton

Gearseeker Serpent

This spell costs {1} less to cast for each artifact you control.
{5}{U}: Gearseeker Serpent can't be blocked this turn.

One-Eyed Scarecrow

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

Mirran Spy

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

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.)

Voltaic Servant

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

Gearsmith Guardian

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

Vedalken Certarch

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

Alloy Myr

Lens of Clarity

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

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.)

Moonglove Extract

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

Glassblower's Puzzleknot

When Glassblower's Puzzleknot 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 Glassblower's Puzzleknot: Scry 2, then you get {E}{E}.

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."

Corridor Monitor

When Corridor Monitor enters, untap target artifact or creature you control.

Ichor Wellspring

When Ichor Wellspring enters or is put into a graveyard from the battlefield, draw a card.

Faerie Mechanist

Flying
When Faerie Mechanist 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.

Vedalken Engineer

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

Hedron Crawler

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

Dramatic Reversal

Untap all nonland permanents you control.

Mycosynth Wellspring

When Mycosynth Wellspring 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.

Island

Powerstone Shard

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

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.)

Archaeomender

When Archaeomender 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.

Frogmite

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

Thought Vessel

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

Stoic Rebuttal

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