When Detective's Satchel enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {T}: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only if you've sacrificed an artifact this turn.

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

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

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.

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.

Pentavus enters the battlefield with five +1/+1 counters on it. {1}, Remove a +1/+1 counter from Pentavus: Create a 1/1 colorless Pentavite artifact creature token with flying. {1}, Sacrifice a Pentavite: Put a +1/+1 counter on Pentavus.

When Servo Schematic enters the battlefield or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.

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.")

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice an artifact: Choose one — • Exile the top card of your library. Until the end of your next turn, you may play that card. • Target creature gets +2/+0 until end of turn.

{T}, Sacrifice a creature: Put a charge counter on Culling Dais. {1}, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

When Mephitic Draught enters the battlefield or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

{1}{U}, Sacrifice Mnemonic Sphere: Draw two cards. Channel — {U}, Discard Mnemonic Sphere: Draw a card.

Target player draws X cards and loses X life, where X is the number of artifacts you control.

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

{1}, Sacrifice another creature or artifact: Put a +1/+1 counter on Stormclaw Rager and draw a card. Activate only as a sorcery.

{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.

You may have Machine God's Effigy enter the battlefield as a copy of any creature on the battlefield, except it's an artifact and it has "{T}: Add {U}." (It's not a creature.) {T}: Add {U}.

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

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 {U}.)

({T}: Add {R}.)

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

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

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

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

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

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card.

+2: Discard up to two cards, then draw that many cards. −2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield. −10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step." Daretti, Scrap Savant can be your commander.

{B}, {T}, Sacrifice Doomed Necromancer: Return target creature card from your graveyard to the battlefield.

Return target artifact or creature card from your graveyard to your hand. Create a 1/1 colorless Soldier artifact creature token.

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

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.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor. {4}, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

{1}{B}, {T}, Sacrifice Executioner's Capsule: Destroy target nonblack creature.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

When Spine of Ish Sah enters the battlefield, destroy target permanent. When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

Flying When Gleaming Geardrake enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice an artifact, put a +1/+1 counter on Gleaming Geardrake.

Whenever you sacrifice a permanent, put a +1/+1 counter on Juri, Master of the Revue. When Juri dies, it deals damage equal to its power to any target.

{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.

{1}, {T}, Sacrifice another creature or artifact: Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature. {T}, Remove a counter from a creature you control: Create a Treasure token. {T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying. {3}{B}: Untap Fain, the Broker.

Whenever one or more artifacts you control leave the battlefield during your turn, create a 1/1 colorless Construct artifact creature token. This ability triggers only once each turn. {T}, Sacrifice an artifact: Oni-Cult Anvil deals 1 damage to each opponent. You gain 1 life.

{2}{B}, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") Sacrifice three Treasures: Draw a card.

{1}, {T}, Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.