Thud-for-Duds

Whenever you crank Thud-for-Duds, roll two six-sided dice. Thud-for-Duds deals damage to target creature equal to the difference between those results.

Dispatch Dispensary

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

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."

Refibrillator

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

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.

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."

Sap Sucker

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

Goblin Slingshot

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

Record Store

Whenever you crank Record Store, 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.

Tread Mill

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

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.

Division Table

Whenever you crank Division Table, target player loses 2 life.

Pet Project

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

Hard Hat Area

Whenever you crank Hard Hat Area, roll two six-sided dice. Hard Hat Area 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.)

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.

Dual Doomsuits

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

Faerie Aerie

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

Oaken Power Suit

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

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.

Quick-Stick Lick Trick

Whenever you crank Quick-Stick Lick Trick, target creature gets +1/+1 and gains lifelink until end of turn.

Genetic Recombinator

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

Bee-Bee Gun

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

Auto-Key

Whenever you crank Auto-Key, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: You gain 3 life."

Gnomeball Machine

Whenever you crank Gnomeball Machine, create two 1/1 colorless Gnome artifact creature tokens.

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.

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.)

Insufferable Syphon

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

Dogsnail Engine

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

Jamming Device

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

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."

Gift Horse

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

Inflation Station

Whenever you crank Inflation Station, target creature gets +3/+3 until end of turn.

Targeting Rocket

Whenever you crank Targeting Rocket, target creature blocks this turn if able.

Head Banger

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

Top-Secret Tunnel

Whenever you crank Top-Secret Tunnel, target creature can't be blocked this turn.

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.

Turbo-Thwacking Auto-Hammer

Whenever you crank Turbo-Thwacking Auto-Hammer, target creature gains double strike until end of turn.

Twiddlestick Charger

Whenever you crank Twiddlestick Charger, tap or untap target creature.

Lackey Recycler

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

Mandatory Friendship Shackles

Whenever you crank Mandatory Friendship Shackles, target creature gets -1/-1 until end of turn.

Sundering Fork

Whenever you crank Sundering Fork, destroy target artifact.

Neural Network

Whenever you crank Neural Network, 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.

Hypnotic Swirly Disc

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

Arms Depot

Whenever you crank Arms Depot, put two +1/+1 counters on target creature.

Buzz Buggy

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