If all "Batteryman C"(s) on your side of the field are in Attack Position, increase the ATK of all Machine-Type monsters on your side of the field by 500 points for each "Batteryman C" on your side of the field. If all "Batteryman C"(s) on your side of the field are in Defense Position, increase the DEF of all Machine-Type monsters on your side of the field by 500 points for each "Batteryman C" on your side of the field.