Advanced format ruling
Reptilianne Naga
Card effect (current official text)This card cannot be destroyed by battle. The ATK of any monster that battles this card becomes 0 at the end of that Battle Phase. During your End Phase, change this face-up Defense Position card on the field to face-up Attack Position.
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.