When Aether Hub enters the battlefield, you get {E} (an energy counter).

{T}: Add {C}.

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

Enchant creature

Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.

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}: 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.

Haste

Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.)

{R}, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands.

{T}: Add {C}.

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

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.)

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

When you play another land, sacrifice City of Traitors.

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

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

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

Equip {1}

{T}: Add {C}.

{T}, Sacrifice Crystal Vein: Add {C}{C}.

Indestructible

{T}: Add {C}.

Enchant artifact

Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

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

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

{T}, Pay 1 life: Add {U} or {R}.

{1}, {T}, Sacrifice Fiery Islet: Draw a card.

Trample, haste

When Fleetwheel Cruiser enters the battlefield, it becomes an artifact creature until end of turn.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

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

Flying

Gadrak, the Crown-Scourge can't attack unless you control four or more artifacts.

At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Galvanic Blast deals 2 damage to any target.

Metalcraft -- Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Haste

{1}: Gingerbrute can't be blocked this turn except by creatures with haste.

{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid.

{T}: Add one mana of any color.

Flying

When Glint-Nest Crane enters the battlefield, look at the top four 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.

{T}: Add {R}.

Hangarback Walker enters the battlefield with X +1/+1 counters on it.

When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.

{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

({T}: Add {U}.)

Nonartifact spells cost {1} more to cast.

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

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

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}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

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

({T}: Add {R}.)

Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.

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.

Flying

Scrapheap Scrounger can't block.

{1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the battlefield.

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.)

{T}, Sacrifice an artifact: Search your library for a Construct card, reveal it, put it into your hand, then shuffle.

{T}: Add {U}.

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

Shrapnel Blast deals 5 damage to any target.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Signal Pest can't be blocked except by creatures with flying or reach.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Flying

Whenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

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

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

{T}: Add {C}.

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

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

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

Reach, trample, protection from multicolored

Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

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

I, II -- 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 a random order.

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

Trample

Traxos, Scourge of Kroog enters the battlefield tapped and doesn't untap during your untap step.

Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)

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

Flying

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

{T}: Add {B}.

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

Walking Ballista enters the battlefield with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

Each player discards their hand, then draws seven cards.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.