Nightmare [Revised Edition] XY08 Set: Sun & Moon: Black

Set: Sun & Moon: Black Star Promos Type: Lightning Rarity: Black Star Promo

passage 27

also this card gains 200 ATK for each monster destroyed this way

Set: Legendary Collection 3: Yugi's World Card type: Normal Trap Rarity: Secret Rare Attack: 0 Defense: 0 When an opponent's monster declares an attack: Destroy all Attack Position monsters your opponent controls

Nightmare [Revised Edition] XY08 Set: Sun & Moon: BlackSet: Revised Edition Type: Creature Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.