Unstable

Deadly Poison Sampler

Deadly Poison Sampler

Artifact - Contraption
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."
Dictation Quillograph

Dictation Quillograph

Artifact - Contraption
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."
Dispatch Dispensary

Dispatch Dispensary

Artifact - Contraption
Whenever you crank Dispatch Dispensary, create a 2/2 black Rogue creature token with menace.
Division Table

Division Table

Artifact - Contraption
Whenever you crank Division Table, target player loses 2 life.
Dogsnail Engine

Dogsnail Engine

Artifact - Contraption
Whenever you crank Dogsnail Engine, target player gains life equal to the greatest power among creatures you control.
Dual Doomsuits

Dual Doomsuits

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

Duplication Device

Artifact - Contraption
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.
Faerie Aerie

Faerie Aerie

Artifact - Contraption
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.
Genetic Recombinator

Genetic Recombinator

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

Gift Horse

Artifact - Contraption
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.
Gnomeball Machine

Gnomeball Machine

Artifact - Contraption
Whenever you crank Gnomeball Machine, create two 1/1 colorless Gnome artifact creature tokens.
Goblin Slingshot

Goblin Slingshot

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

Guest List

Artifact - Contraption
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.
Hard Hat Area

Hard Hat Area

Artifact - Contraption
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.)
Head Banger

Head Banger

Artifact - Contraption
Whenever you crank Head Banger, target creature must be blocked this turn if able.
Hypnotic Swirly Disc

Hypnotic Swirly Disc

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

Inflation Station

Artifact - Contraption
Whenever you crank Inflation Station, target creature gets +3/+3 until end of turn.
Insufferable Syphon

Insufferable Syphon

Artifact - Contraption
Whenever you crank Insufferable Syphon, target player discards a card.
Jamming Device

Jamming Device

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

Lackey Recycler

Artifact - Contraption
Whenever you crank Lackey Recycler, put target creature card from your graveyard on top of your library.
Mandatory Friendship Shackles

Mandatory Friendship Shackles

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

Neural Network

Artifact - Contraption
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.
Oaken Power Suit

Oaken Power Suit

Artifact - Contraption
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.
Optical Optimizer

Optical Optimizer

Artifact - Contraption
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."
Pet Project

Pet Project

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