Voltaic Servant

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

Goblin Gaveleer

Trample
Goblin Gaveleer gets +2/+0 for each Equipment attached to it.

Trusty Packbeast

When Trusty Packbeast enters, return target artifact card from your graveyard to your hand.

Auriok Sunchaser

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

Leonin Squire

When Leonin Squire enters, return target artifact card with mana value 1 or less from your graveyard to your hand.

Atog

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

Militant Inquisitor

Militant Inquisitor gets +1/+0 for each Equipment you control.

Anointer Priest

Whenever a creature token you control enters, you gain 1 life.
Embalm {3}{W} ({3}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Court Homunculus

Court Homunculus gets +1/+1 as long as you control another artifact.

Strength of Arms

Target creature gets +2/+2 until end of turn. If you control an Equipment, create a 1/1 white Human Soldier creature token.

Ghirapur Gearcrafter

When Ghirapur Gearcrafter enters, create a 1/1 colorless Thopter artifact creature token with flying. (A creature with flying can't be blocked except by creatures with flying or reach.)

Ironclad Slayer

When Ironclad Slayer enters, you may return target Aura or Equipment card from your graveyard to your hand.

Myr Adapter

Myr Adapter gets +1/+1 for each Equipment attached to it.

Galvanic Blast

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

Aether Chaser

First strike
When Aether Chaser enters, you get {E}{E} (two energy counters).
Whenever Aether Chaser attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Ardent Recruit

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Kor Outfitter

When Kor Outfitter enters, you may attach target Equipment you control to target creature you control.

Flutterfox

As long as you control an artifact or enchantment, Flutterfox has flying.

Destructive Digger

{3}, {T}, Sacrifice an artifact or land: Draw a card.

Weapons Trainer

Other creatures you control get +1/+0 as long as you control an Equipment.

Reckless Fireweaver

Whenever an artifact you control enters, Reckless Fireweaver deals 1 damage to each opponent.

Attended Knight

First strike
When Attended Knight enters, create a 1/1 white Soldier creature token.

Blade-Tribe Berserkers

Metalcraft — When Blade-Tribe Berserkers enters, if you control three or more artifacts, Blade-Tribe Berserkers gets +3/+3 and gains haste until end of turn.