Boxing Day

Whenever you crank Widget Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

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

A person outside the game chooses an attacking or blocking creature target opponent controls. That player sacrifices that creature.

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

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.

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

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 resu...

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

Whenever you crank Sundering Fork, destroy target artifact.

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

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 in...

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

State-based actions don't apply to you or other permanents you control. (You don't lose the game due to having 0 or less life or drawing from an em...

Flying {3}{W}, Sacrifice another artifact: Aerial Toastmaster assembles a Contraption. (Put the top card of your Contraption deck face up onto one ...

Whenever another artifact enters the battlefield under your control, put a +1/+1 counter on Jackknight. If that artifact is a Contraption, Jackknig...

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

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

{3}{G}: Roll a six-sided die. Ground Pounder gets +X/+X until end of turn, where X is the result. Whenever you roll a 5 or higher on a die, Ground ...

Destroy target artifact or enchantment. Assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Squirrellink (Damage dealt by this creature also causes you to create that many 1/1 green Squirrel creature tokens.) Creature tokens you control ar...

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 ...

When this creature enters the battlefield, you may untap target permanent.