Skeleton Shard

{3}, {T} or {B}, {T}: Return target artifact creature card from your graveyard to your hand.

Swamp

Myr Retriever

When this creature dies, return another target artifact card from your graveyard to your hand.

Blasting Station

{T}, Sacrifice a creature: This artifact deals 1 damage to any target.
Whenever a creature enters, you may untap this artifact.

Ur-Golem's Eye

Megatog

Sacrifice an artifact: This creature gets +3/+3 and gains trample until end of turn.

Myr Mindservant

Talisman of Indulgence

{T}: Add {C}.
{T}: Add {B} or {R}. This artifact deals 1 damage to you.

Leaden Myr

Mountain

Great Furnace

Darksteel Citadel

Voltaic Construct

Viridian Longbow

Equipped creature has "{T}: This creature deals 1 damage to any target."
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Grinding Station

{T}, Sacrifice an artifact: Target player mills three cards.
Whenever an artifact enters, you may untap this artifact.

Blinkmoth Urn

At the beginning of each player's first main phase, if this artifact is untapped, that player adds {C} for each artifact they control.

Atog

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

Dross Scorpion

Whenever this creature or another artifact creature dies, you may untap target artifact.

Nuisance Engine

{2}, {T}: Create a 0/1 colorless Pest artifact creature token.

Krark-Clan Ironworks

Disciple of the Vault

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

Reiver Demon

Flying
When this creature enters, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Serum Tank

Whenever this artifact or another artifact enters, put a charge counter on this artifact.
{3}, {T}, Remove a charge counter from this artifact: Draw a card.

Vault of Whispers

Summoning Station

{T}: Create a 2/2 colorless Pincher creature token.
Whenever an artifact is put into a graveyard from the battlefield, you may untap this artifact.