Card Errata:Feather Wind

Old Lore: You can only activate this card if there is a face-up "Elemental Hero Avian" on your side of the field. Negate the activation of a Spell or Trap Card and destroy it.

New Lore: Activate only while you control a face-up "Elemental Hero Avian". Negate the activation of a Spell or Trap Card and destroy it.