Unstable

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

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

Whenever you crank this Contraption, destroy target artifact.

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

Whenever you crank this Contraption, roll two six-sided dice. This Contraption deals damage to target creature equal to the difference between those results.

Whenever you crank this Contraption, target creature can't be blocked this turn.

Whenever you crank this Contraption, until end of turn, target creature gets +1/+2, gains vigilance, and becomes an artifact in addition to its other types.

Whenever you crank this Contraption, target creature gains double strike until end of turn.

Whenever you crank this Contraption, tap or untap target creature.

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

({T}: Add {W}.)

({T}: Add {U}.)

({T}: Add {B}.)

({T}: Add {R}.)

({T}: Add {G}.)

Flying, haste Whenever this creature deals combat damage to a player, draw a card.

Flying

Menace

Flying