Serial Spell [DR3-EN097] Rare Shonen Jump Magazine Promos and only once that turn

and only once that turn

this card gains 500 ATK during the Damage Step only

if your other DARK Spellcaster monster battles an opponent's monster (Quick Effect): You can send this card from your hand or face-up from your field to the GY

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 This card cannot be Normal Summoned or Set

when resolving the effect

Serial Spell [DR3-EN097] Rare Shonen Jump Magazine Promos and only once that turnSet: Dark Revelation Volume 3 Card type: Quick Play Spell Rarity: Rare Attack: 0 Defense: 0 Activate only when you activate one of your Normal Spell Cards. Discard all the cards in your hand to the Graveyard. The effect of this card becomes the same as the Normal Spell Card.