Harpie's Feather Duster [SDD-003] Secret Rare Continuous Spell and any battle damage you

and any battle damage you received from the battle is also inflicted to your opponent's Life Points

Set: Metal Raiders Card type: Normal Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Select 1 monster on your opponent's side of the field

but destroy it when this card leaves the field

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

or Set 1 Spell/Trap

Harpie's Feather Duster [SDD-003] Secret Rare Continuous Spell and any battle damage youSet: 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.