{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.

{1}, Sacrifice Aether Spellbomb: Draw a card.

Sacrifice a creature: Add {C}{C}.

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.

{T}: Add {C}.

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

When Cathodion dies, add {C}{C}{C}.

{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, create a 1/1 colorless Thopter artifact creature token with flying.

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}, Sacrifice Flight Spellbomb: Target creature gains flying until end of turn.

When Flight Spellbomb is put into a graveyard from the battlefield, you may pay {U}. If you do, draw a card.

{T}: Add {C}.

{T}: Choose target commander that entered the battlefield this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

{T}: Add {C}.

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

Galvanic Blast deals 2 damage to any target.

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

{T}: Add {R}.

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{R}.

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

{U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice Izzet Locket: Draw two cards.

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}: Add {C}.

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

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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

Scry 1.

Draw a card.

{T}, Sacrifice Panic Spellbomb: Target creature can't block this turn.

When Panic Spellbomb is put into a graveyard from the battlefield, you may pay {R}. If you do, draw a card.

{T}: Add {C}.

{1}, {T}, Sacrifice an artifact: You gain 1 life.

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

{R}, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target.

{1}, Sacrifice Pyrite Spellbomb: Draw a card.

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

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.

{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.

+1: Scry 1. Saheeli Rai deals 1 damage to each opponent.

-2: Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. That token gains haste. Exile it at the beginning of the next end step.

-7: Search your library for up to three artifact cards with different names, put them onto the battlefield, then shuffle.

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

-2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

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.

{T}: Add {U}.

Draw a card. Scry 2.

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.

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

Shrapnel Blast deals 5 damage to any target.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

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

When Thopter Engineer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

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.

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.

When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

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.

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.