Acid Rain [DL8-EN001] Super Rare Duel Master's Guide Each time a Monster Card(s)

Each time a Monster Card(s) is sent from the hand or field to the GY

You can only activate this effect of "Unending Nightmare" once per Chain

Set: Dark Beginning 1 Card type: Normal Monster Rarity: Common Attack: 1400 Defense: 1500 A mermaid archer that hides in a protective shell

you can return both monsters to their owner's hands at the start of the Damage Step (without damage calculation)

add that card to your opponent's hand

Acid Rain [DL8-EN001] Super Rare Duel Master's Guide Each time a Monster Card(s)Set: Duelist League Promo Card type: Normal Trap Rarity: Super Rare Attack: 0 Defense: 0 Destroy all face up Machine Type monsters on the field.