Advanced format ruling
Cyclon Laser
Card effect (current official text)You can only equip this card to "Gradius". Increase the ATK of "Gradius" by 300 points. When the equipped "Gradius" attacks with an ATK that is higher than the DEF of a Defense Position monster, inflict the difference as Battle Damage to your opponent's Life Points.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.