Special Weapon, Virus Buster
■ Put this card into the soul of a «Computer» on your field. ■ If this card is in the soul of a «Computer», that card cannot be destroyed, and its soul cannot be put into the drop zone, by your opponent's card effects. ■ When this card is put from the soul of a «Computer» on the field into the drop zone, destroy a monster on your opponent's field. If you do, you gain life equal to the size of the destroyed card.