Machining Spark Hercules

(This ability is active if you have four or more damage):[ 2-card with "Machining" in its card name When this unit attacks a vanguard, if all of your opponent's vanguard and rear-guards are , you may pay the cost. If you do, until end of that battle, this unit gets Power+10000/ +1, choose one of your opponent's rear-guards, and that unit cannot during your opponent's next stand phase. :[ 1-card with "Machining" in its card name] all of your opponent's rear-guards, and this unit gets +2000 until end of turn. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack )