Advanced format ruling
Gryphon Wing
Card effect (current official text)When your opponent activates "Harpie's Feather Duster": Negate its effect, and if you do, destroy all Spell and Trap Cards your opponent controls.
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.