Iron

Iron (acrobatics)- Pulls on nearby metals, on its own it can disarm someone, pull you through the air and other similar actions and combat maneuvers. When used with Lead can emulate flight.
Pulling on an object significantly heavier than yourself causes you to move towards that target at a rate of CL x5 ft, pulling on an object significantly lighter than yourself causes the target to move towards you at the frame rate, and you may choose whether to move towards or have the target move towards you when the target is roughly the same weight.