Thought Monitor

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, draw two cards.

Jhoira, Weatherlight Captain

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

Great Furnace

Arcane Signet

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

Seat of the Synod

Rustvale Bridge

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

Foundry Inspector

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

Sol Ring

Vault of Whispers

Akiri, Line-Slinger

First strike, vigilance
Akiri gets +1/+0 for each artifact you control.
Partner (You can have two commanders if both have partner.)

Spire of Industry

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Silverbluff Bridge

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

Exotic Orchard

Plains

Etherium Sculptor

Mistvault Bridge

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

Emry, Lurker of the Loch

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
When Emry enters, mill four cards.
{T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Enthusiastic Mechanaut

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

Swamp

Darksteel Citadel

Island

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Ancient Den

Goldmire Bridge

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

Drossforge Bridge

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

Sai, Master Thopterist

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
{1}{U}, Sacrifice two artifacts: Draw a card.

Command Tower

Silas Renn, Seeker Adept

Deathtouch
Whenever Silas Renn deals combat damage to a player, choose target artifact card in your graveyard. You may cast that card this turn.
Partner (You can have two commanders if both have partner.)