Evo Thruster [EVO037] (Bright Lights)

If you have a base legs equipped, transform it into this, then equip this. (Put it under this in your legs zone.) Once per Turn Instant -- Destroy a card under this: You may attack an additional time with target weapon this turn. (You must have an action point to attack an additional time.) Blade Break (When the combat chain closes, if this defended, destroy it.)