Supreme Verdict

This spell can't be countered.
Destroy all creatures.

Last One Standing

Choose a creature at random, then destroy the rest.

Cyclonic Rift

Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Chief Engineer

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.)

Steamflogger Temp

{6}, {T}: This creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Aerial Toastmaster

Flying
{3}{W}, Sacrifice another artifact: This creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Mox Opal

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

Neural Network

Whenever you crank this Contraption, gain control of target creature an opponent controls with power less than or equal to the number of creature cards in its controller's graveyard until end of turn. Untap that creature. It gains haste until end of turn.

Thought Monitor

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, draw two cards.

Record Store

Whenever you crank this Contraption, 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.

Polluted Delta

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

Skullclamp

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}

Urza, Lord High Artificer

When Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add {U}.
{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

Toxic Deluge

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Sol Ring

Bloodstained Mire

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

Scrap Trawler

Whenever this creature dies 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.

Clock of Omens

Tap two untapped artifacts you control: Untap target artifact.

Fellwar Stone

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

Ancient Den

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Contraband Kingpin

Lifelink
Whenever an artifact you control enters, scry 1.

Breya, Etherium Shaper

When Breya enters, create two 1/1 blue Thopter artifact creature tokens with flying.
{2}, Sacrifice two artifacts: Choose one —
• Breya deals 3 damage to target player or planeswalker.
• Target creature gets -4/-4 until end of turn.
• You gain 5 life.

Daretti, Scrap Savant

+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.

Bident of Thassa

Whenever a creature you control deals combat damage to a player, you may draw a card.
{1}{U}, {T}: Creatures your opponents control attack this turn if able.

Ethersworn Canonist

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Despark

Exile target permanent with mana value 4 or greater.

Solemn Simulacrum

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

Turbo-Thwacking Auto-Hammer

Whenever you crank this Contraption, target creature gains double strike until end of turn.

Seat of the Synod

Faerie Aerie

Whenever you crank this Contraption, create two 1/1 blue Faerie Spy creature tokens with flying, haste, and "Whenever this token deals combat damage to a player, draw a card." Exile them at the beginning of the next end step.

Mana Drain

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

Flooded Strand

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

Voltaic Key

Dispatch Dispensary

Whenever you crank this Contraption, create a 2/2 black Rogue creature token with menace.

Faerie Artisans

Flying
Whenever a nontoken creature an opponent controls enters, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with this creature.

Deadly Poison Sampler

Whenever you crank this Contraption, until end of turn, target creature gains "Whenever this creature deals combat damage to a player, destroy target creature that player controls."

Duplication Device

Whenever you crank this Contraption, until end of turn, target creature becomes a copy of any creature on the battlefield, except it's an artifact in addition to its other types.

Academy Ruins

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

Incite Insight

Assemble X Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Rhystic Study

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

Dockside Extortionist

When this creature enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Gift Horse

Whenever you crank this Contraption, roll two six-sided dice. Create a number of 1/1 red Goblin creature tokens equal to the difference between those results.

Vault of Catlacan

(Transforms from Storm the Vault.)
{T}: Add one mana of any color.
{T}: Add {U} for each artifact you control.

Storm the Vault

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault.

Storm the Vault // Vault of Catlacan

Tear

Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)

Wear

Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)

Wear // Tear

Dack Fayden

+1: Target player draws two cards, then discards two cards.
−2: Gain control of target artifact.
−6: You get an emblem with "Whenever you cast a spell that targets one or more permanents, gain control of those permanents."

Time Sieve

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

Pet Project

Whenever you crank this Contraption, put target creature card from an opponent's graveyard onto the battlefield under your control.

Goblin Slingshot

Whenever you crank this Contraption, creatures you control get +2/+0 and gain trample until end of turn.

Steamflogger of the Month

When this creature enters, it assembles a Contraption for each Contraption you control. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Arms Depot

Whenever you crank this Contraption, put two +1/+1 counters on target creature.

Morphic Pool

This land enters tapped unless you have two or more opponents.
{T}: Add {U} or {B}.

Buzz Buggy

Whenever you crank this Contraption, target creature gets +2/+0 and gains trample until end of turn.

Chromatic Lantern

Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.

Vault of Champions

This land enters tapped unless you have two or more opponents.
{T}: Add {W} or {B}.

Saheeli, Sublime Artificer

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.

Clock of DOOOOOOOOOOOOM!

{4}, {T}: Move the CRANK! counter to your Contraption deck's next sprocket and crank any number of that sprocket's Contraptions.

Lackey Recycler

Whenever you crank this Contraption, put target creature card from your graveyard on top of your library.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Void Rend

This spell can't be countered.
Destroy target nonland permanent.

Unwinding Clock

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

Top-Secret Tunnel

Whenever you crank this Contraption, target creature can't be blocked this turn.

Sensei's Divining Top

{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put this artifact on top of its owner's library.

Phyrexian Metamorph

({U/P} can be paid with either {U} or 2 life.)
You may have this creature enter as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Steamfloggery

Roll a six-sided die. Assemble a number of Contraptions equal to the result. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Arcane Signet

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

Oaken Power Suit

Whenever you crank this Contraption, target creature gets +X/+X until end of turn, where X is the greatest power among creatures you control.

Work a Double

Assemble two Contraptions. (Put the top card of your Contraption deck face up onto one of your sprockets. Then repeat this process.)

Steel Hellkite

Flying
{2}: This creature gets +1/+0 until end of turn.
{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn.

Dual Doomsuits

Whenever you crank this Contraption, each time a source you control would deal damage this turn, it deals double that damage instead.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Wrench-Rigger

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Artificer's Intuition

{U}, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Kuldotha Forgemaster

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

Gnomeball Machine

Whenever you crank this Contraption, create two 1/1 colorless Gnome artifact creature tokens.

Metalworker

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

All Is Dust

Each player sacrifices all permanents they control that are one or more colors.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Blightsteel Colossus

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.

Generous Gift

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Whirlwind of Thought

Whenever you cast a noncreature spell, draw a card.

Dogsnail Engine

Whenever you crank this Contraption, target player gains life equal to the greatest power among creatures you control.

Rapid Prototyper

Whenever you crank Rapid Prototyper, create an X/X colorless Construct artifact creature token, where X is the number of artifacts you control.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Emry, Lurker of the Loch

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
When Emry enters, 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.)

Hypnotic Swirly Disc

Whenever you crank this Contraption, target player mills X cards, where X is the number of creatures you control.

Eldrazi Displacer

Devoid (This card has no color.)
{2}{C}: Exile another target creature, then return it to the battlefield tapped under its owner's control. ({C} represents colorless mana.)

Manifold Key

{1}, {T}: Untap another target artifact.
{3}, {T}: Target creature can't be blocked this turn.

Steady-Handed Mook

Deathtouch
When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Soul-Guide Lantern

When this artifact enters, exile target card from a graveyard.
{T}, Sacrifice this artifact: Exile each opponent's graveyard.
{1}, {T}, Sacrifice this artifact: Draw a card.

Vault of Whispers

Jhoira, Weatherlight Captain

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

Tread Mill

Whenever you crank this Contraption, until end of turn, target creature gets +1/+2, gains vigilance, and becomes an artifact in addition to its other types.

Chipper Chopper

Flying
When this creature enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on this creature and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Baleful Strix

Flying, deathtouch
When this creature enters, draw a card.

Hanna, Ship's Navigator

{1}{W}{U}, {T}: Return target artifact or enchantment card from your graveyard to your hand.

Widget Contraption

Whenever you crank this Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)