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.

Watermarket

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

Kindly Cognician

Spells you cast that refer to artifacts or Contraptions in their rules text cost {1} less to cast.

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.

As Luck Would Have It

Hexproof
Whenever you roll a die, put a number of luck counters on this enchantment equal to the result. Then if there are 100 or more luck counters on this enchantment, you win the game. (Count both rolls if you reroll a die.)

Hydradoodle

As this creature enters, roll X six-sided dice. This creature enters with a number of +1/+1 counters on it equal to the total of those results.
Reach, trample

Wild Crocodile

When this creature enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Inhumaniac

At the beginning of your upkeep, roll a six-sided die. On a 3 or 4, put a +1/+1 counter on this creature. On a 5 or higher, put two +1/+1 counters on it. On a 1, remove all +1/+1 counters from this creature.

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.)

Cramped Bunker

At the beginning of each opponent's upkeep, that player moves a permanent they control to touch this enchantment and no other permanents. If the player can't, destroy each permanent they control that isn't touching this enchantment, then sacrifice it.

Snow-Covered Forest

Sword of Dungeons & Dragons

Equipped creature gets +2/+2 and has protection from Rogues and from Clerics.
Whenever equipped creature deals combat damage to a player, create a 4/4 gold Dragon creature token with flying and roll a d20 (a twenty-sided die). If you roll a 20, repeat this process.
Equip {2}

Joyride Rigger

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

Graveyard Busybody

All graveyards are also your graveyards.
Graveyard Busybody's power and toughness are each equal to the number of cards with flavor text in your graveyards.

Steamflogger Service Rep

Whenever another Goblin you control enters, you may pay {1}. If you do, this creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Fabled Passage

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Savage Lands

This land enters tapped.
{T}: Add {B}, {R}, or {G}.

Entirely Normal Armchair

During your turn, if this card is in your hand, you may hide it on the battlefield.
{0}: Return this artifact to its owner's hand. Only your opponents may activate this ability and only if they see this artifact.
{2}, Sacrifice this artifact: Destroy target attacking creature.

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.

Crafty Octopus

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

Modular Monstrosity

Whenever an opponent casts a spell, you have five seconds to choose a keyword you haven't chosen for a card named Modular Monstrosity today that's been printed on a creature card. If you do, this creature gains that ability. Otherwise, this creature loses all keyword abilities.

Snow-Covered Mountain

Socketed Sprocketer

{T}: Uninstall all results from this creature, then roll a six-sided die. Install the result on this creature. (Put the die on this creature.)
You may uninstall a result from this creature to use it for a die you rolled.
Uninstall a 6 from this creature: Draw a card.

Frontier Bivouac

This land enters tapped.
{T}: Add {G}, {U}, or {R}.

Opal Palace

{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Just Desserts

Just Desserts deals π damage to target creature. (π is the ratio of a circle's circumference to its diameter. (It's a smidgen more than 3.))

Sunken Hollow

({T}: Add {U} or {B}.)
This land enters tapped unless you control two or more basic lands.

The Big Idea

{2}{B/R}{B/R}, {T}: Roll a six-sided die. Create a number of 1/1 red Brainiac creature tokens equal to the result.
Tap three untapped Brainiacs you control: The next time you would roll a six-sided die, instead roll two six-sided dice and use the total of those results.

Mountain

Summon the Pack

Open a sealed Magic booster pack, reveal the cards, and put all creature cards revealed this way onto the battlefield under your control. They're Zombies in addition to their other types. (Remove those cards from your deck before beginning a new game.)

Steel Squirrel

Whenever you roll a 5 or higher on a die, this creature gets +X/+X until end of turn, where X is the result.
{6}: Roll a six-sided die.

Swamp

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.

First Pick

Destroy target artifact or enchantment. Assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Incite Insight

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

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.)

Ground Pounder

{3}{G}: Roll a six-sided die. This creature gets +X/+X until end of turn, where X is the result.
Whenever you roll a 5 or higher on a die, this creature gains trample until end of turn.

Prismatic Vista

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

Rocky Tar Pit

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

Thrasios, Triton Hero

{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)

Jund Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

Finders, Keepers

Destroy target creature, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Exotic Orchard

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

Sundering Fork

Whenever you crank this Contraption, destroy target artifact.

Island

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Phoebe, Head of S.N.E.A.K.

Phoebe can't be blocked by creatures with flavor text.
{2}{U}{B}: Phoebe permanently steals target creature's text box. (That creature loses all rules text, flavor text, and watermarks. This creature gains them.)

Wrench-Rigger

capital offense

target creature gets -x/-x until end of turn, where x is the number of times a capital letter appears in its rules text. (ignore reminder text and flavor text.)

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Path of Ancestry

This land enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Mad Science Fair Project

{T}: Roll a six-sided die. On a 3 or lower, target player adds {C}. Otherwise, that player adds one mana of any color they choose.

Slaying Mantis

Just a second (As long as this spell is on the stack, players can't move permanents.)
This creature enters by being thrown from a distance of at least three feet.
When this creature enters, it fights each creature an opponent controls that it touched as it entered.

Overt Operative

Menace
Whenever this creature deals combat damage to a player, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Druid of the Sacred Beaker

{T}: Add {G} for each Crossbreed Labs watermark among permanents you control.

Forest

Five-Finger Discount

Put target nonland permanent into your hand. You may spend mana as though it were mana of any color the next time you cast that card.

Optical Optimizer

Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: Draw a card."

Krark's Other Thumb

If you would roll a die, instead roll two of those dice and ignore one of those results.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

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.

Time Out

Roll a six-sided die. Put target nonland permanent into its owner's library just beneath the top X cards of that library, where X is the result.

Insufferable Syphon

Whenever you crank this Contraption, target player discards a card.

Animate Library

Enchant your library
Enchanted library is an artifact creature on the battlefield with power and toughness each equal to the number of cards in it. It's still a library.
If enchanted library would leave the battlefield, exile this Aura instead.

Jamming Device

Whenever you crank this Contraption, creatures target player controls get -1/-1 until end of turn.

As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed.
{U}{B}, {T}: Put X into target opponent's hand.
{3}{U}{B}: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost.

Chittering Doom

Whenever you roll a 4 or higher on a die, create a 1/1 green Squirrel creature token.

Evolving Wilds

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.)

Ol' Buzzbark

When Ol' Buzzbark enters, roll X six-sided dice onto the battlefield from a height of at least X inches. For each die, put a number of +1/+1 counters equal to the result on each creature you control that die is touching. For each die, Ol' Buzzbark deals damage equal to the result to each creature an opponent controls that die is touching.

Lobe Lobber

Equipped creature has "{T}: This creature deals 1 damage to target player or planeswalker. Roll a six-sided die. On a 5 or higher, untap it."
Equip {2}

Clocknapper

When this creature enters, choose beginning phase, first main phase, combat phase, postcombat main phase, or ending phase. Steal that phase from target player during their next turn. (That phase occurs as though it's your turn instead.)

Baron Von Count

Baron Von Count enters with a doom counter on "5."
Whenever you cast a spell with the indicated numeral in its mana cost, text box, power, or toughness, move the doom counter one numeral to the left.
When the doom counter moves from "1," destroy target player and put that doom counter on "5."

Grusilda, Monster Masher

Combined, enchanted, and equipped creatures you control have menace.
{3}{B}{R}, {T}: Put two target creature cards from graveyards onto the battlefield combined into one creature under your control. (Its power is equal to their total power, its toughness is equal to their total toughness, and it has their names, mana costs, types, text boxes, etc.)

Smoldering Marsh

({T}: Add {B} or {R}.)
This land enters tapped unless you control two or more basic lands.

Pet Project

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

Spell Suck

Counter target spell, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Refibrillator

Whenever you crank this Contraption, return target creature card from your graveyard to your hand.

Steamflogger Boss

Other Riggers you control get +1/+0 and have haste.
If a Rigger you control would assemble a Contraption, it assembles two Contraptions instead.

Spy Eye

Flying
Whenever this creature deals combat damage to a player, you may draw a card from that player's library.

Magic Word

Enchant creature
As this Aura enters, choose a word.
Whisper the chosen word: Tap enchanted creature.

Garbage Elemental

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Willing Test Subject

Reach
Whenever you roll a 4 or higher on a die, put a +1/+1 counter on this creature.
{6}: Roll a six-sided die.

Hard Hat Area

Whenever you crank this Contraption, roll two six-sided dice. This Contraption assembles a number of Contraptions equal to the difference between those results. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Ineffable Blessing

As this enchantment enters, choose an artist.
Whenever a creature you control with art by the chosen artist enters, draw a card.

Opulent Palace

This land enters tapped.
{T}: Add {B}, {G}, or {U}.

Crumbling Necropolis

This land enters tapped.
{T}: Add {U}, {B}, or {R}.

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.

Selfie Preservation

Search your library for a basic land card and reveal it. If there's a tree in its art, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle.

Snow-Covered Island

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.

Temple of the False God

{T}: Add {C}{C}. Activate only if you control five or more lands.

Snow-Covered Swamp

Wall of Fortune

Defender
You may tap an untapped Wall you control to have any player reroll a die that player rolled.

Command Tower

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

Split Screen

When this artifact enters, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it.
Play with your libraries' top cards revealed.
When this artifact leaves the battlefield, shuffle your libraries together.

Squirrel-Powered Scheme

Increase the result of each die you roll by 2.

Guest List

Whenever you crank this Contraption, target creature gets -X/-X until end of turn, where X is the number of creature cards in its controller's graveyard.

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.)

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.

Cinder Glade

({T}: Add {R} or {G}.)
This land enters tapped unless you control two or more basic lands.

Super-Duper Death Ray

Trample (This spell can deal excess damage to its target's controller.)
Super-Duper Death Ray deals 4 damage to target creature.

River of Tears

{T}: Add {U}. If you played a land this turn, add {B} instead.

Spire of Industry

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

Grixis Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Vial Smasher the Fierce

Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher deals damage equal to that spell's mana value to that player or a planeswalker that player controls.
Partner (You can have two commanders if both have partner.)