{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

{T}: Add {W}.

Exile target nonland permanent. You lose 3 life.

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}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

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.

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

{T}: Add {C}.

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

Whenever a creature attacks, Caltrops deals 1 damage to it.

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.

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}

Indestructible

{T}: Add {C}.

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

Indestructible

{T}: Add one mana of any color.

Search your library for a card, put that card into your hand, then shuffle.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

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

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

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

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

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

({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.

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.

({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.

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 {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

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.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Enchant artifact you control

At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control.

Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

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

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

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.)

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

({T}: Add {W}.)

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

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.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

{1}{U}, Sacrifice two artifacts: Draw a card.

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

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

{T}: Add {U}.

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.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

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

{T}: Add {C}.

{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

At the beginning of your upkeep, draw a card.

{T}: Staff of Nin deals 1 damage to any target.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

{T}: Stuffy Doll deals 1 damage to itself.

This spell can't be countered.

Destroy all creatures.

({T}: Add {B}.)

({T}: Add {B}.)

{U}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.

{W}{B}: Target artifact creature gains deathtouch and lifelink until end of turn.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)

Exile Teferi's Protection.

Artifact creatures you control get +2/+2.

+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.

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying.

Whenever one or more artifact creatures you control deal combat damage to a player, draw a card.

Flying

Thopter Squadron enters the battlefield with three +1/+1 counters on it.

{1}, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only as a sorcery.

{1}, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate only as a sorcery.

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

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

{T}: Add {C}.

{2}, {T}: You gain 1 life for each colorless creature you control.

{1}, {T}, Discard a card: You gain 4 life.

{1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token.

{1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand.

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

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

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

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

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

Each land is a Swamp in addition to its other land types.

{T}: Add {B}.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Other creatures you control have intimidate.

Whenever Vela the Night-Clad or another creature you control leaves the battlefield, each opponent loses 1 life.

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

{2}: Untap target artifact creature.

{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.

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

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