Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

Each player sacrifices all permanents they control that are one or more colors.

{T}: Add {W}.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

{W}{W}, {T}: Return target artifact card from your graveyard to your hand.

Return target artifact or enchantment card from your graveyard to your hand.

Return target artifact card from your graveyard to the battlefield.

As Arsenal Thresher enters the battlefield, you may reveal any number of other artifact cards from your hand. Arsenal Thresher enters the battlefield with a +1/+1 counter on it for each card revealed this way.

Basalt Monolith doesn't untap during your untap step.

{T}: Add {C}{C}{C}.

{3}: Untap Basalt Monolith.

Trample, infect, indestructible

If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

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

Flying

Broodstar's power and toughness are each equal to the number of artifacts you control.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

{T}: Add one mana of any color in your commander's color identity.

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Counter target spell.

Equipped creature gets +1/+0 for each artifact you control.

{B}{B}: Attach Cranial Plating to target creature you control.

Equip {1}

Trample, indestructible

If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.

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

Domain -- This spell costs {2} less to cast for each basic land type among lands you control.

Flying

Domain -- At the beginning of your upkeep, sacrifice Draco unless you pay {10}. This cost is reduced by {2} for each basic land type among lands you control.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Flying

At the beginning of your upkeep, return an artifact you control to its owner's hand.

Metalcraft -- Etched Champion has protection from all colors as long as you control three or more artifacts.

Flash

{B}, {T}, Sacrifice an artifact: Draw a card.

Artifact spells you cast cost {1} less to cast.

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Flash

When Ethersworn Shieldmage enters the battlefield, prevent all damage that would be dealt to artifact creatures this turn.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Artifacts and enchantments you control have shroud. (They can't be the targets of spells or abilities.)

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

({T}: Add {W} or {B}.)

As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{2}: Target artifact creature gets +1/+1 until end of turn.

{2}: Target artifact creature gains your choice of flying, trample, or haste until end of turn.

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

All artifacts have shroud. (They can't be the targets of spells or abilities.)

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Flying

Metalcraft -- Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Whenever an artifact enters the battlefield, you may gain 1 life.

Flying

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

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

Master of Etherium's power and toughness are each equal to the number of artifacts you control.

Other artifact creatures you control get +1/+1.

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

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

Artifact creature spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.)

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

{T}: Add {C}{C}.

({U/P} can be paid with either {U} or 2 life.)

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}: Add {C}. You gain 1 life.

Imprint -- When Prototype Portal enters the battlefield, you may exile an artifact card from your hand.

{X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

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

{T}, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate only during your upkeep.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

{T}: Add {U}.

At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn.

Flying

Whenever an artifact creature you control deals combat damage to a player, you may create a 1/1 blue Thopter artifact creature token with flying.

Flying

When Sharuum the Hegemon enters the battlefield, you may return target artifact card from your graveyard to the battlefield.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{T}: Add {C}{C}.

Destroy all nonartifact permanents.

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

{T}: Put a +1/+1 counter on each artifact creature you control.

Metalcraft -- This spell costs {1} less to cast if you control three or more artifacts.

Counter target spell.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature gets +2/+2 and has protection from green and from blue.

Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.

Equip {2}

Equipped creature gets +2/+2 and has protection from black and from green.

Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.

Equip {2}

Equipped creature gets +2/+2 and has protection from red and from blue.

Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.

Equip {2}

Equipped creature gets +2/+2 and has protection from white and from black.

Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand.

Equip {2}

Artifact creatures you control get +2/+2.

+1: Untap up to two target artifacts.

-X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

-5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

({U/P} can be paid with either {U} or 2 life.)

Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

+1: Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

-1: Target artifact becomes an artifact creature with base power and toughness 5/5.

-4: Target player loses X life and you gain X life, where X is twice the number of artifacts you control.

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

{T}: Add {C}{C}{C}.

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}, Sacrifice five artifacts: Take an extra turn after this one.

When Treasure Mage enters the battlefield, you may search your library for an artifact card with mana value 6 or greater, reveal it, put it into your hand, then shuffle.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

Untap all artifacts you control during each other player's untap step.

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

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

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

Whenever you cast an artifact spell, draw a card.

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

{1}, {T}: Untap target artifact.

({T}: Add {U} or {B}.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Windwright Mage has flying as long as an artifact card is in your graveyard.

Deathtouch, lifelink

When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.