Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.
{3}{W}
Aethershield Artificer
Creature - Dwarf Artificer
At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
3 /
3
{1}{U}
Aphetto Alchemist
Creature - Human Wizard
{T}: Untap target artifact or creature.
Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
1 /
2
{2}{U}{U}
Argivian Restoration
Sorcery
Return target artifact card from your graveyard to the battlefield.
{1}
Ashnod's Transmogrant
Artifact
{T}, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.
{1}{W}{W}
Aura of Silence
Enchantment
Artifact and enchantment spells your opponents cast cost {2} more to cast.
Sacrifice Aura of Silence: Destroy target artifact or enchantment.
{4}{W}{W}
Austere Command
Sorcery
Choose two --
• Destroy all artifacts.
• Destroy all enchantments.
• Destroy all creatures with mana value 3 or less.
• Destroy all creatures with mana value 4 or greater.
{3}{U}{U}
Baral's Expertise
Sorcery
Return up to three target artifacts and/or creatures to their owners' hands.
You may cast a spell with mana value 4 or less from your hand without paying its mana cost.
{3}{B}{B}
Beacon of Unrest
Sorcery
Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.
{12}{U}{U}
Blinkmoth Infusion
Instant
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Untap all artifacts.
{5}
Blinkmoth Urn
Artifact
At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.
{W}
Built to Last
Instant
Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
--
Buried Ruin
Land
{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.
{1}{U}
Chief Engineer
Creature - Vedalken Artificer
Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.)
1 /
3
{3}{W}{W}
Cleansing Nova
Sorcery
Choose one --
• Destroy all creatures.
• Destroy all artifacts and enchantments.
{3}{W}{W}
Consulate Crackdown
Enchantment
When Consulate Crackdown enters the battlefield, exile all artifacts your opponents control until Consulate Crackdown leaves the battlefield.
{3}{W}
Crush Contraband
Instant
Choose one or both --
• Exile target artifact.
• Exile target enchantment.
{3}
Damping Matrix
Artifact
Activated abilities of artifacts and creatures can't be activated unless they're mana abilities.
{3}{U}{B}
Deadeye Plunderers
Creature - Human Pirate
Deadeye Plunderers gets +1/+1 for each artifact you control.
{2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
3 /
3
{W}
Dispeller's Capsule
Artifact
{2}{W}, {T}, Sacrifice Dispeller's Capsule: Destroy target artifact or enchantment.
{2}
Pili-Pala
Artifact Creature - Scarecrow
Flying
{2}, {Q}: Add one mana of any color. ({Q} is the untap symbol.)