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.)

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

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

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

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

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

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

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

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.

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.

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.”

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

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

Whenever you crank Rapid Prototyper, create an X/X colorless Construct artifact creature token, where X is the number of artifacts you control.

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.

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

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

Whenever you crank Sundering Fork, destroy target artifact.

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

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.