مشوش الآلاف

During damage calculation, if a monster battles while a monster with 1000 or more ATK is on the field: The ATK/DEF of all face-up monsters currently on the field become their current values with as many multiples of 1000 subtracted as possible. If this card is destroyed: The ATK/DEF of all face-up monsters currently on the field become their current values with as many multiples of 1000 subtracted as possible, until the end of this turn.