Other artifact creatures you control have haste.

Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.

{T}: Add {W}.

Whenever you attack with one or more non-Gnome creatures, put a +1/+1 counter on Anim Pakal, then create X 1/1 colorless Gnome artifact creature tokens that are tapped and attacking, where X is the number of +1/+1 counters on Anim Pakal.

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

Trample

Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher.

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

{T}, Sacrifice an artifact: Reveal cards from the top of your library until you reveal an artifact card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. Audacious Reshapers deals damage to you equal to the number of cards revealed this way.

{T}: Add {C}.

{1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land.

{1}, {T}: Target Blinkmoth creature gets +1/+1 until end of turn.

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

{R}{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.)

{1}, {T}: Add {R}{W}.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Flying

Fabricator Claw Array -- Whenever another nontoken artifact creature or Vehicle enters the battlefield under your control, draw a card.

Trample

When you cast this spell and whenever Cityscape Leveler attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token.

Unearth {8}

Tap two untapped artifacts you control: Untap target artifact.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

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

Sacrifice Commander's Sphere: Draw a card.

Indestructible

{T}: Add {C}.

Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Tap target creature.

Metalcraft -- If you control three or more artifacts, exile that creature.

Whenever Dowsing Device or another artifact enters the battlefield under your control, up to one target creature you control gets +1/+0 and gains haste until end of turn. Then transform Dowsing Device if you control four or more artifacts.

(Transforms from Dowsing Device.)

{T}: Add {R}.

{2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery.

Excavation Explosion deals 3 damage to any target. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Whenever Fathom Fleet Swordjack attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control.

Encore {5}{R} ({5}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

{T}: Add one mana of any color that a land an opponent controls could produce.

When Filigree Vector enters the battlefield, put a +1/+1 counter on each of any number of target creatures and a charge counter on each of any number of target artifacts.

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

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

{T}: Add {C}.

{3}, {T}, Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

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

{T}: Add {C}.

{5}, {T}, Sacrifice Foundry of the Consuls: Create two 1/1 colorless Thopter artifact creature tokens with flying.

{T}: Add {C}.

{5}, {T}, Sacrifice Gargoyle Castle: Create a 3/4 colorless Gargoyle artifact creature token with flying.

{T}: Add {W}.

When Great Desert Prospector enters the battlefield, create a tapped Powerstone token for each other creature you control. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}: Add {R}.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}: Add {C}. ({C} represents colorless mana.)

Whenever an artifact enters the battlefield under your control, Hedron Detonator deals 1 damage to target opponent.

{T}, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Other artifact creatures you control get +2/+2 as long as you have the city's blessing.

At the beginning of each upkeep, create a 1/1 colorless Gnome artifact creature token.

Whenever one or more artifacts enter the battlefield under your control, Ingenious Artillerist deals that much damage to each opponent.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}: Add {R}.

Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.

At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

+1: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

-1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.

-7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

Haste

Lieutenant -- At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

Marble Diamond enters the battlefield tapped.

{T}: Add {W}.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

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.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{2}: Mishra's Foundry becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{1}, {T}: Target attacking Assembly-Worker gets +2/+2 until end of turn.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token.

You may look at the top card of your library any time.

You may cast artifact spells and colorless spells from the top of your library.

{T}, Pay 1 life: Exile the top card of your library.

Whenever you cast a creature spell, choose one --

• Create a 1/1 colorless Gnome artifact creature token.

• Create a token that's a copy of target artifact token you control.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Destroy all nonartifact creatures.

Flying

{T}: Add one mana of any color.

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

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

At the beginning of your end step, if you control two or more other creatures, draw a card.

{3}{W}: Create a 1/1 colorless Soldier artifact creature token.

Unearth {2}{W}{W}

Power Depot enters the battlefield tapped.

{T}: Add {C}.

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

Modular 1

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens.

Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

Return target artifact, enchantment, or planeswalker card from your graveyard to the battlefield. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{3}: Untap Retrofitter Foundry.

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

{1}, {T}, Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.

{T}, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Rustvale Bridge enters the battlefield tapped.

Indestructible

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

Whenever an artifact enters the battlefield under your control, Salivating Gremlins gets +2/+0 and gains trample until end of turn.

Scene of the Crime enters the battlefield tapped.

{T}: Add {C}.

{T}, Tap an untapped creature you control: Add one mana of any color.

{2}, Sacrifice Scene of the Crime: Draw a card.

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

Haste

As long as an artifact entered the battlefield under your control this turn, creatures you control get +2/+2.

Battalion -- Whenever Sentinel Sarah Lyons and at least two other creatures attack, Sentinel Sarah Lyons deals damage equal to the number of artifacts you control to target player.

Prototype {3}{R}{R} -- 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Trample, haste

When Skitterbeam Battalion enters the battlefield, if you cast it, create two tokens that are copies of it.

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

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

When Static Net enters the battlefield, exile target nonland permanent an opponent controls until Static Net leaves the battlefield.

When Static Net enters the battlefield, you gain 2 life and create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

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

When Stone Retrieval Unit enters the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

Whenever one or more artifact creatures you control die, draw a card. This ability triggers only once each turn.

{2}{W}, {T}: Create a 1/1 colorless Thopter artifact creature token with flying.

You have no maximum hand size.

{T}: Add {C}.

When Thousand Moons Smithy enters the battlefield, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control."

At the beginning of your precombat main phase, you may tap five untapped artifacts and/or creatures you control. If you do, transform Thousand Moons Smithy.

(Transforms from Thousand Moons Smithy.)

{T}: Add {W}.

Whenever you cast an artifact or creature spell using mana produced by Barracks of the Thousand, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control."

Threefold Thunderhulk enters the battlefield with three +1/+1 counters on it.

Whenever Threefold Thunderhulk enters the battlefield or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power.

{2}, Sacrifice another artifact: Put a +1/+1 counter on Threefold Thunderhulk.

{T}: Add {C}.

{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

Flying, vigilance, trample

When Triplicate Titan dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Worn Powerstone enters the battlefield tapped.

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