Harpies' Hunting Ground (SD8-EN024) - Structure Deck: Lord of the Storm 1st Edition

When Harpie Lady or Harpie Lady Sisters is Normal Summoned or Special Summoned to the field, destroy 1 Spell or Trap card on the field. Increase the ATK and DEF of all face-up Winged Beast-Type monsters on the field by 200 points.