Accomplished Automaton

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Perilous Myr

When this creature dies, it deals 2 damage to any target.

Filigree Familiar

When this creature enters, you gain 2 life.
When this creature dies, draw a card.

Thoughtcast

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

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Razortip Whip

{1}, {T}: This artifact deals 1 damage to target opponent or planeswalker.

Aether Spellbomb

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

Urza's Tower

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Essence Scatter

Voltaic Servant

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

Seat of the Synod

Artificer's Assistant

Flying
Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Mirrorshell Crab

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

Island

Steel Wall

Frogmite

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

Silver Myr

Filigree Attendant

Flying
Filigree Attendant's power is equal to the number of artifacts you control.

Welding Jar

Sacrifice this artifact: Regenerate target artifact.

Maelstrom Colossus

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)