Dual Doomsuits

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

Buzz Buggy

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

Dogsnail Engine

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

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."

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.

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.

Bee-Bee Gun

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

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.

Arms Depot

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

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.