Bee-Bee Gun

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

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.

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.

Pet Project

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

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.)

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."

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.

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.

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.