Plusle (8/97) [EX: Dragon] Box Topper Set: Shadow Specters Card type:

Set: Shadow Specters Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 1800 2 Level 8 monsters Once per turn

Shuffle them back in

Set: ZEXAL Manga Promotional Cards Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 2000 2 Level 3 monsters When this card is Special Summoned: You can attach 1 Level 3 WATER monster from your hand or your side of the field to this card as an Xyz Material

if your other DARK Spellcaster-Type monster battles an opponent's monster: You can send this card from your hand or face-up from your field to the Graveyard

At that time

Plusle (8/97) [EX: Dragon] Box Topper Set: Shadow Specters Card type:Set: EX: Dragon Type: Lightning Rarity: Holo Rare Retreat cost: Colorless