Furnace Dragon

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
When Furnace Dragon enters the battlefield, if you cast it from your hand, exile all artifacts.

Emissary of Despair

Flying
Whenever Emissary of Despair deals combat damage to a player, that player loses 1 life for each artifact they control.

Pristine Angel

Flying
As long as Pristine Angel is untapped, it has protection from artifacts and from all colors.
Whenever you cast a spell, you may untap Pristine Angel.

Grimclaw Bats

Flying
, Pay 1 life: Grimclaw Bats gets +1/+1 until end of turn.

Emissary of Hope

Flying
Whenever Emissary of Hope deals combat damage to a player, you gain 1 life for each artifact that player controls.

Eater of Days

Flying, trample
When Eater of Days enters the battlefield, you skip your next two turns.

Spire Golem

Affinity for Islands (This spell costs less to cast for each Island you control.)
Flying

Neurok Prodigy

Flying
Discard an artifact card: Return Neurok Prodigy to its owner’s hand.

Darksteel Gargoyle

Flying
Indestructible (Damage and effects that say “destroy” don’t destroy this creature.)

Drill-Skimmer

Flying
Drill-Skimmer has shroud as long as you control another artifact creature. (It can’t be the target of spells or abilities.)

Pteron Ghost

Flying
Sacrifice Pteron Ghost: Regenerate target artifact.

Looming Hoverguard

Flying
When Looming Hoverguard enters the battlefield, put target artifact on top of its owner’s library.

Somber Hoverguard

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

Neurok Familiar

Flying
When Neurok Familiar enters the battlefield, reveal the top card of your library. If it’s an artifact card, put it into your hand. Otherwise, put it into your graveyard.

Broodstar

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
Broodstar’s power and toughness are each equal to the number of artifacts you control.

Clockwork Condor

Flying
Clockwork Condor enters the battlefield with three +1/+1 counters on it.
Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Lumengrid Sentinel

Flying
Whenever an artifact enters the battlefield under your control, you may tap target permanent.

Chimney Imp

Flying
When Chimney Imp dies, target opponent puts a card from their hand on top of their library.

Rust Elemental

Flying
At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can’t, tap Rust Elemental and you lose 4 life.

Slith Ascendant

Flying
Whenever Slith Ascendant deals combat damage to a player, put a +1/+1 counter on it.

Clockwork Dragon

Flying
Clockwork Dragon enters the battlefield with six +1/+1 counters on it.
Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.
: Put a +1/+1 counter on Clockwork Dragon.

Wizard Replica

Flying
, Sacrifice Wizard Replica: Counter target spell unless its controller pays .

Reiver Demon

Flying
When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can’t be regenerated.