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."

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.

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}

Syr Cadian, Knight Owl

Knightlifelink (Damage dealt by Knights you control also causes you to gain that much life.)
{W}: Syr Cadian gains vigilance until end of turn. Activate only from sunrise to sunset.
{B}: Syr Cadian gains flying until end of turn. Activate only from sunset to sunrise.

Deep Forest Hermit

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this creature enters, create four 1/1 green Squirrel creature tokens.
Squirrels you control get +1/+1.

Refibrillator

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

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.)

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.

Sly Spy

Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a card from it with the longest name. That player discards that card.

Garbage Elemental

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

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.

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.

Turbo-Thwacking Auto-Hammer

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

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.

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.

Eye to Eye

You and target creature's controller have a staring contest. If you win, destroy that creature.

GO TO JAIL

When this enchantment enters, exile target creature an opponent controls until this enchantment leaves the battlefield.
At the beginning of the upkeep of the exiled card's owner, that player rolls two six-sided dice. If they roll doubles, sacrifice this enchantment.

Chicken Egg

At the beginning of your upkeep, roll a six-sided die. If you roll a 6, sacrifice this creature and create a 4/4 red Giant Bird creature token.

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.)

Frenzy 2 (Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of turn.)
This creature can't be blocked by wordy creatures. (A creature is wordy if it has four or more lines of rules text.)

Common Iguana

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

Insufferable Syphon

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

Steamflogger Temp

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

Inflation Station

Whenever you crank this Contraption, target creature gets +3/+3 until end of turn.

Contraption Cannon

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

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.)

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.

Goblin Tutor

Roll a six-sided die. If you roll a 1, Goblin Tutor has no effect. Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle.
2 — A card named Goblin Tutor
3 — An enchantment
4 — An artifact
5 — A creature
6 — An instant or sorcery

Strategy, Schmategy

Roll a six-sided die. Strategy, Schmategy has the indicated effect.
1 — Do nothing.
2 — Destroy all artifacts.
3 — Destroy all lands.
4 — Strategy, Schmategy deals 3 damage to each creature and each player.
5 — Each player discards their hand and draws seven cards.
6 — Repeat this process two more times.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each creature you control with any kind of counter on it has art menace. (They can't be blocked except by creatures with two or more visible figures in their art.)

Mandatory Friendship Shackles

Whenever you crank this Contraption, target creature gets -1/-1 until end of turn.

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.

Pet Project

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

Adorable Kitten

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

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.

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.)

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.)

Angelic Rocket

Flying
When this creature enters, you may destroy target nonland permanent.

Whenever this creature deals combat damage to a player, that player reveals the top card of their library. Put that card into your hand and you lose life equal to its mana value.

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."

Squirrel-Powered Scheme

Increase the result of each die you roll by 2.

Sundering Fork

Whenever you crank this Contraption, destroy target artifact.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
When this creature enters, roll a six-sided die. This creature deals damage equal to the result to target opponent or planeswalker.

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.)

Form of the Squirrel

As this enchantment enters, create a 1/1 green Squirrel creature token. You lose the game when that creature leaves the battlefield.
Creatures can't attack you.
You have shroud.
You can't cast spells.

Bee-Bee Gun

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

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.)

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.

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.)

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.)

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.

Box of Free-Range Goblins

Roll a six-sided die. Create a number of 1/1 red Goblin creature tokens equal to the result.

Krark's Other Thumb

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

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.)

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.)

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.

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.

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.

Monkey-

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

Goblin Bookie

{R}, {T}: Reflip any coin or reroll any die. (Activate only any time it makes sense.)

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.

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.

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.)

Gnomeball Machine

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

Whenever this creature deals combat damage to a player, roll a six-sided die. That player loses life equal to the result.

Squirrel Mob

This creature gets +1/+1 for each other Squirrel on the battlefield.

Eager Beaver

When this creature enters, you may untap target permanent.

Strutting Turkey

When this creature enters,
exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

Genetic Recombinator

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

Twiddlestick Charger

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

Squirrel Farm

{1}{G}: Reveal a card in your hand, covering the artist credit. Target opponent guesses the artist. If they guess wrong, create a 1/1 green Squirrel creature token.

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.

Shaggy Camel

When this creature enters, creatures you control get +1/+1 until end of turn.

Half-Squirrel, Half-

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

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.

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.

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.)

Dispatch Dispensary

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

Swarmyard

{T}: Add {C}.
{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Gnome-Made Engine

When this creature enters, create a 1/1 colorless Gnome artifact creature token.

Spell Suck

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

Free-Range Chicken

{1}{G}: Roll two six-sided dice. If both results are the same, this creature gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

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.)

Squirrel Nest

Enchant land
Enchanted land has "{T}: Create a 1/1 green Squirrel creature token."

Rings a Bell

As this enchantment enters, choose a word with four or more letters.
After you say the chosen word for the first time each turn, an opponent may ring or imitate a bell within five seconds. When no opponent does, draw a card.

Arms Depot

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

Big Boa Constrictor

When this creature enters, roll a six-sided die. Target opponent loses life equal to the result.

Joyride Rigger

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.

Boomstacker

As this creature enters and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)
This creature gets +1/+1 for each die in its stack.
This creature attacks each combat if able.
When the stack falls, sacrifice this creature.

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.

Cogmentor

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

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}

Painiac

At the beginning of your upkeep, roll a six-sided die. This creature gets +X/+0 until end of turn, where X is the result.

Dirty Rat

When this creature enters, target opponent discards a card.

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.

Prismatic Wardrobe

Destroy target nonartifact, nonland permanent that doesn't share a color with clothing worn by its controller.

Jack-in-the-Mox

{T}: Roll a six-sided die. This ability has the indicated effect.
1 — Sacrifice this artifact and you lose 5 life.
2 — Add {W}.
3 — Add {U}.
4 — Add {B}.
5 — Add {R}.
6 — Add {G}.

Bumbling Pangolin

When this creature enters, you may destroy target artifact.

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.)

Jackknight

Whenever another artifact you control enters, put a +1/+1 counter on this creature. If that artifact is a Contraption, this creature gains lifelink until end of turn.

Whenever this creature deals combat damage to a player, that player loses a finger until this creature leaves the battlefield. (The finger is chosen by its owner and can't roll dice or touch cards.)

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.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
When this creature enters, roll two six-sided dice. Create a number of 1/1 red Goblin creature tokens equal to the difference between those results.

Wild Crocodile

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