Valkyrie Erda (MP20-EN089) - 2020 Tin of Lost Memories 1st Edition

You can only control 1 "Valkyrie Erda". While you control this card, Special Summoned by the effect of a "Valkyrie" card, all face-up monsters your opponent controls lose 1000 ATK. Any card destroyed by battle or card effect that would be sent to your opponent's GY is banished instead.