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.)

Really Epic Punch

Target creature you control gets +2/+2 if it's a host or has augment. Then it fights target creature you don't control.

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.

Curious Killbot

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.

Eager Beaver

When this creature enters, you may untap target permanent.

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.

Cheatyface

If Cheatyface is in your hand, you may sneak Cheatyface onto the battlefield. If an opponent catches you right away, that player may exile Cheatyface.
Flying

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.

Multi-Headed

At the beginning of each end step, if you rolled a die this turn,
Augment {4}{G} ({4}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Surgeon General Commander

Whenever you augment, enchant, or mutate a creature you control, draw a card.
{T}: Add {W}, {U}, {B}, {R}, or {G}.

Abstract Iguanart

Whenever you cast a spell, note the first letter of its artist's name. If that letter wasn't already noted, put a +1/+1 counter on this creature.

Hazmat Suit (Used)

Enchant creature
Enchanted creature gets +2/+1 and has menace.
Whenever a player's skin or fingernail touches enchanted creature, that player loses 2 life.

Applied Aeronautics

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

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.))

Zombified

{4}{B}: Combine this card 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.)

Top-Secret Tunnel

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

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.)

AWOL

Exile target attacking creature. Then remove it from the game. Then put it into the absolutely-removed-from-the-freaking-game-forever zone.

Novellamental

Flying
This creature can block only creatures with flying.

Accessories to Murder

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

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.)

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.)

Refibrillator

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

Goblin Haberdasher

Menace (This creature can't be blocked except by two or more creatures.)
Other creatures you control wearing hats in their art have menace.

Paper Tiger

Creatures named Rock Lobster can't attack or block.

Bumbling Pangolin

When this creature enters, you may destroy target artifact.

Chicken à la King

Whenever a 6 is rolled on a six-sided die, put a +1/+1 counter on each Bird. (You may roll dice only when instructed to.)
Tap an untapped Bird you control: Roll a six-sided die. (Like now.)

Twiddlestick Charger

Whenever you crank this Contraption, tap or untap target creature.

Topsy Turvy

The phases of each player's turn are reversed. (The phases are, in reverse order, ending, second main, combat, first main, and beginning.)
As long as there are more than two players in the game, the turn order is reversed.

Jumbo Imp

Flying
As this creature enters, roll a six-sided die. This creature enters with a number of +1/+1 counters on it equal to the result.
At the beginning of your upkeep, roll a six-sided die and put a number of +1/+1 counters on this creature equal to the result.
At the beginning of your end step, roll a six-sided die and remove a number of +1/+1 counters from this creature equal to the result.

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.

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.)

Shellephant

{0}: Choose one. You may activate this ability while Shellephant is in any zone.
• Shellephant has base power and toughness 1/4.
• Shellephant has base power and toughness 3/3.

Krark's Other Thumb

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

Spirit of the Season

When this creature enters, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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.)

Adorable Kitten

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

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.

Goblin Slingshot

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

Riveting Rigger

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.)

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.

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.

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.)

Squirrel Dealer

When this creature enters, ask a person outside the game "Do you like Squirrels?" If they do, create a 1/1 green Squirrel creature token.

Avatar of Me

This spell costs {1} more to cast for each ten years you've been alive.
Avatar of Me's power is equal to your height in feet and its toughness is equal to your American shoe size. Round to the nearest ½.
Avatar of Me is the color of your eyes.

Destroy target creature with reminder text. (Reminder text is any italicized text in parentheses that explains rules you already know.)

Common Iguana

When this creature enters, you may discard a card. If you do, draw a card.

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.

The Grand Calcutron

When The Grand Calcutron enters, each player's hand becomes a program (an ordered row of revealed cards).
Players can play only 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.
The Grand Calcutron can be your commander.

Lackey Recycler

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

Ninja

You may activate this card's augment ability any time you could cast an instant.
Whenever this creature deals combat damage to a player,
Augment {2}{B} ({2}{B}, Reveal this card from your hand: Combine it with target host. Augment only as—oh, never mind.)

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.

Clever Combo

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

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.)

Suspicious Nanny

Whenever this creature 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.)

Infinity Elemental

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.)

Extremely Slow Zombie

Last strike (This creature deals combat damage after creatures without last strike.)

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.

Pippa, Duchess of Dice

{2}{G}, {T}: Roll a six-sided die. It becomes a green Die creature token with power and toughness each equal to its result.
{2}{U}, {T}: Reroll any die. (Activate only any time it makes sense.)

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.

Numbing Jellyfish

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

Dictation Quillograph

Whenever you crank this Contraption, 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."

Jamming Device

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

Flavor Judge

{T}: Choose target spell or ability that targets a permanent you control. Then ask a person outside the game if the story of what will happen makes sense. If they say no, sacrifice this creature and counter that spell or ability.

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.

Snickering Squirrel

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

"Rumors of My Death . . ."

{3}{B}, Exile a permanent you control with a League of Dastardly Doom watermark: Return a permanent card with a League of Dastardly Doom watermark from your graveyard to the battlefield.

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."

Boomflinger

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

Mother Kangaroo

When this creature enters, roll a six-sided die. Put a number of +1/+1 counters on this creature equal to the result.

Insufferable Syphon

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

Dual Doomsuits

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

Stet, Draconic Proofreader

Flying
Whenever Stet attacks, you may exile a card from your graveyard. When you do, Stet deals 4 damage to any target whose name begins with the same letter as the exiled card.
{W}: Delete the first letter of target permanent or player's name until end of turn.

Labro Bot

When this creature enters, return target host card or card with augment from your graveyard to your hand.

Growth Spurt

Roll a six-sided die. Target creature gets +X/+X until end of turn, where X is the result.

Mary O'Kill

{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)

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.)

Look at Me, I'm R&D

As this enchantment enters, choose a number and a second number one higher or one lower than the first number.
All instances of the first chosen number in the full text of each permanent, spell, and card in any zone are changed to the second chosen number.

Amateur Auteur

Sacrifice this creature: Destroy target enchantment.

Three-Headed Goblin

Triple strike (This creature deals first-strike, regular, and last-strike combat damage.)

Yet Another Aether Vortex

All creatures have haste.
Players play with the top card of their libraries revealed.
Noninstant, nonsorcery cards on top of a library are on the battlefield under their owner's control in addition to being in that library.

Spy Eye

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

Staff of the Letter Magus

As this artifact 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.

Poultrygeist

Flying
Whenever a creature dies, you may roll a six-sided die. If you roll a 1, sacrifice this creature. Otherwise, put a +1/+1 counter on this creature.

Goblin S.W.A.T. Team

Say "Goblin S.W.A.T. Team": Put a +1/+1 counter on this creature unless an opponent swats the table within five seconds. Activate only once each 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.)

Bronze Calendar

Spells you cast cost {1} less to cast.
You must speak in a voice other than your normal voice.
When you speak in your normal voice, sacrifice this artifact.

Underdome

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to pay Un-costs.

Cogmentor

Flying
{4}: Reassemble target Contraption you control. (Move it onto another one of your sprockets.)

Defective Detective

This creature can't be blocked.
When this creature enters, a person outside the game looks at target opponent's hand and chooses a card from it. That player reveals that card.

Booster Tutor

Open a sealed Magic booster pack, reveal the cards, and put one of them into your hand. (Remove that card from your deck before beginning a new game.)

Knight of the Hokey Pokey

First strike
{1}{W}, Do the Hokey Pokey: Prevent all damage a source of your choice would deal to this creature this turn. (To do the Hokey Pokey, choose an arm, a leg, or your whole self and put it in. Put it out. Put it in. Shake it all about. You do the Hokey Pokey! Turn yourself around.)

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.

Infernal Spawn of Evil

Flying, first strike
{1}{B}, Reveal this card from your hand, Say "It's coming": This card deals 1 damage to target opponent or planeswalker. Activate only during your upkeep and only once each turn.

Kindly Cognician

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

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.

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.

Skull Saucer

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

Elvish Impersonators

As this creature enters, roll a six-sided die twice. Its base power becomes the first result and its base toughness becomes the second result.

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.

Party Crasher

Haste
You can attack with this creature once each combat during each opponent's turn.