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.)

Rhino-

Whenever this creature blocks,
Augment {3}{W} ({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Success!

Target creature gets +2/+2 until end of turn. If it's a host or has augment, it gains lifelink until end of turn.

Robo-

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,
Augment {2} ({2}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Buzz Buggy

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

Hammer Helper

Gain control of target creature until end of turn. Untap that creature and roll a six-sided die. Until end of turn, it gains haste and gets +X/+0, where X is the result.

Better Than One

A person outside the game becomes your teammate. (Choose any number of cards in your hand, on top of your library, or on the battlefield under your control. Those cards become your teammate's hand, library, and permanents, respectively.)

Dictation Quillograph

Whenever you crank Dictation Quillograph, until end of turn, target creature gains "Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card."

Squirrel-Powered Scheme

Increase the result of each die you roll by 2.

Oddly Uneven

Choose one —
• Destroy each creature with an odd number of words in its name. (Hyphenated words are one word.)
• Destroy each creature with an even number of words in its name.

Half-Shark, Half-

At the beginning of your upkeep,
Augment {5}{U} ({5}{U}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Deadly Poison Sampler

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

Hydradoodle

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

Spell Suck

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

Wild Crocodile

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

Numbing Jellyfish

When this creature enters, roll a six-sided die. Target player mills X cards, where X is the result.

Magic Word

Enchant creature
As Magic Word enters, choose a word.
Whisper the chosen word: Tap enchanted creature.

Midlife Upgrade

As an additional cost to cast this spell, sacrifice X Contraptions.
Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Guest List

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

Duplication Device

Whenever you crank Duplication Device, 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.

Insufferable Syphon

Whenever you crank Insufferable Syphon, target player discards a card.

Clever Combo

Search your library for a host card or a card with augment, reveal it, put it into your hand, then shuffle.

Bumbling Pangolin

When this creature enters, you may destroy target artifact.

Snickering Squirrel

You may tap Snickering Squirrel to increase the result of a die any player rolled by 1.

Widget Contraption

Whenever you crank Widget 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. Ground Pounder gets +X/+X until end of turn, where X is the result.
Whenever you roll a 5 or higher on a die, Ground Pounder gains trample until end of turn.

Crow Storm

Create a 1/2 blue Bird creature token with flying named Storm Crow.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

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.)

Urza, Academy Headmaster

+1: Head to AskUrza.com and click +1.
−1: Head to AskUrza.com and click -1.
−6: Head to AskUrza.com and click -6.

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.

Genetic Recombinator

Whenever you crank Genetic Recombinator, up to two target creatures each get +2/+2 until end of turn.

Refibrillator

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

Eager Beaver

When this creature enters, you may untap target permanent.

Contraption Cannon

{2}, Sacrifice Contraption Cannon: It deals damage to any target equal to the number of Contraptions you control.

Hypnotic Swirly Disc

Whenever you crank Hypnotic Swirly Disc, target player mills X cards, where X is the number of creatures you control.

Staff of the Letter Magus

As Staff of the Letter Magus enters, choose a consonant other than N, R, S, or T.
Whenever a player casts a spell, you gain 1 life for each time the chosen letter appears in that spell's name.

Skull Saucer

Flying
When Skull Saucer enters, destroy target creature and put your head on the table. Sacrifice Skull Saucer when your head stops touching the table.

Earl of Squirrel

Squirrellink (Damage dealt by this creature also causes you to create that many 1/1 green Squirrel creature tokens.)
Creature tokens you control are Squirrels in addition to their other creature types.
Other Squirrels you control get +1/+1.

S.N.E.A.K. Dispatcher

{2}{U}, {T}: Look at the top card of target player's library. If it has an Agents of S.N.E.A.K. watermark, you may reveal it and put it into your hand. Otherwise, put it on your choice of the top or bottom of its owner's library.

As Luck Would Have It

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

Serpentine

Landfall — Whenever a land you control enters,
Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

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 Animate Library instead.

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.)

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}

Feisty Stegosaurus

When this creature enters, roll a six-sided die. This creature deals damage equal to the result to target creature an opponent controls.

Chittering Doom

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

Suspicious Nanny

Whenever Suspicious Nanny deals combat damage to a player, it reassembles target Contraption that player controls. (Gain control of it and move it onto one of your sprockets.)

Optical Optimizer

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

Garbage Elemental

Last strike (This creature deals combat damage after creatures without last strike.)
Battalion — Whenever Garbage Elemental and at least two other creatures attack, target creature can't block this turn.

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, Modular Monstrosity gains that ability. Otherwise, Modular Monstrosity loses all keyword abilities.

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.)

Adorable Kitten

When this creature enters, roll a six-sided die. You gain life equal to the result.

Joyride Rigger

When Joyride Rigger 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.

Lackey Recycler

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

Dogsnail Engine

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

Sacrifice Play

A person outside the game chooses an attacking or blocking creature target opponent controls. That player sacrifices that creature.

Willing Test Subject

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

Hammer Jammer

As Hammer Jammer enters, roll a six-sided die. Hammer Jammer enters with a number of +1/+1 counters on it equal to the result.
Whenever you roll a die, remove all +1/+1 counters from Hammer Jammer, then put a number of +1/+1 counters on it equal to the result.

Knight of the Kitchen Sink

First strike, protection from watermarks (Nothing with a watermark can block, target, deal damage to, or attach to this creature.)

Steam-Powered

{5}:
Augment {4} ({4}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Steamflogger of the Month

When Steamflogger of the Month 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.)

Kindslaver

{5}, {T}, Sacrifice Kindslaver: A person outside the game controls target player during that player's next turn. Neither player may advise that person until the end of that turn.

Sap Sucker

Whenever you crank Sap Sucker, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

Clocknapper

When Clocknapper 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.)

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.)

Teacher's Pet

{2}{W}, Sacrifice Teacher's Pet: Search your library for a card with augment, combine it with target host you control, then shuffle.

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.)

Half-Kitten, Half-

Whenever you're dealt damage,
Augment {2}{W} ({2}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Secret Base

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base.

Zombified

{4}{B}: Combine Zombified from your graveyard with target host.
{2}{B}, Exile a creature card from your graveyard:
Augment {4}{B} ({4}{B}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Over My Dead Bodies

Creature cards in graveyards can attack and block as though they were on the battlefield, can block or be blocked only by creature cards in graveyards, are Zombies in addition to their other types, and have undeathtouch. (If they would deal damage to a creature card, exile that creature card instead.)
Creature cards in your graveyard have haste.

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."

Cramped Bunker

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

Accessories to Murder

Whenever you crank Accessories to Murder, target creature gets +X/+0 until end of turn, where X is the number of creatures you control.

Wall of Fortune

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

Despondent Killbot

Proper Laboratory Attire

Equipped creature gets +2/+1 and has protection from die rolls. (Nothing that lets a player roll a die can block, target, deal damage to, or attach to equipped creature.)
Equip {2}

Hammerfest Boomtacular

Whenever you cast a spell with a Goblin Explosioneers watermark, Hammerfest Boomtacular deals 2 damage to any target.

Dispatch Dispensary

Whenever you crank Dispatch Dispensary, create a 2/2 black Rogue creature token with menace.

Steady-Handed Mook

Deathtouch
When Steady-Handed Mook enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

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.

Bee-Bee Gun

Whenever you crank Bee-Bee Gun, until end of turn, target creature gains "{2}: This creature fights another target creature."

Kindly Cognician

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

The Grand Calcutron

The Grand Calcutron can be your commander.
When The Grand Calcutron enters, each player's hand becomes a program (an ordered row of revealed cards).
Players can only play the first card of their program.
If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead.
At the beginning of each player's end step, if that player's program has fewer than five cards, they draw cards equal to the difference.

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.

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.

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

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

Boomflinger

Whenever you crank Boomflinger, roll two six-sided dice. Boomflinger deals damage to target player or planeswalker equal to the difference between those results.

Socketed Sprocketer

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

Hangman

As Hangman enters, secretly note a word with six to eight letters.
{1}: Target player who doesn't control Hangman guesses the noted word or an unguessed letter in that word. If they guess wrong, put a +1/+1 counter on Hangman. Any player may activate this ability.
When a player guesses the noted word or all of its letters, sacrifice Hangman.

Applied Aeronautics

Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types.

Old Guard

{W}, {T}: Tap target creature without reminder text. (Reminder text is still any italicized text in parentheses that explains rules you already know.)

Party Crasher

Haste
You can attack with Party Crasher once each combat during each opponent's turn.

Rules Lawyer

State-based actions don't apply to you or other permanents you control. (You don't lose the game due to having 0 or less life or drawing from an empty library. Your creatures aren't destroyed due to damage or deathtouch and aren't put into a graveyard due to having 0 or less toughness. Your planeswalkers aren't put into a graveyard if they have 0 loyalty. You don't put a legendary permanent into a graveyard if you control two with the same name. Counters aren't removed from your permanents due to game rules. Permanents you control attached or combined illegally remain on the battlefield. For complete rules and regulations, see rule 704.)

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.

Sundering Fork

Whenever you crank Sundering Fork, destroy target artifact.

Stamp of Approval

As Stamp of Approval enters, choose a watermark.
Creatures you control with the chosen watermark get +1/+1.

Spy Eye

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

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.

Head Banger

Whenever you crank Head Banger, target creature must be blocked this turn if able.