Harpie's Feather Duster [SDD-003] Secret Rare Continuous Spell destroy all monsters on your

destroy all monsters on your side of the field and lose Life Points equal to half the total ATK of the destroyed monsters

Set: Speed Duel GX: Midterm Destruction Card type: Normal Trap Rarity: Secret Rare When an opponent's monster declares an attack: Target the attacking monster

or Set 1 Spell/Trap

you can discard this card to negate its activation and destroy it

Harpie's Feather Duster [SDD-003] Secret Rare Continuous Spell destroy all monsters on yourSet: Stairway to the Destined Duel Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 Destroys all of your opponent's Magic and Trap Cards on the field.