Cybernetic Overflow

Banish any number of "Cyber Dragon" that have different Levels from each other from your hand, GY, and/or face-up from your field, then destroy the same number of cards your opponent controls. If this card on the field is destroyed by a card effect: You can add 1 "Cyber" Spell/Trap from your Deck to your hand. You can only use each effect of "Cybernetic Overflow" once per turn.