Cyber-Stein (Quarter Century Secret Rare) [RA03-EN146] Quarter Century Secret Rare XY142 Set: Sun & Moon: Lost

Set: Sun & Moon: Lost Thunder Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

This card cannot be Special Summoned except with "Attack Reflector Unit"

You can only use this effect of "Number 89: Diablosis the Mind Hacker" once per turn

Dark Requiem Xyz Dragon

Set: Gym Heroes Unlimited Type: Water Rarity: Holo Rare Retreat cost: Colorless

Cyber-Stein (Quarter Century Secret Rare) [RA03-EN146] Quarter Century Secret Rare XY142 Set: Sun & Moon: LostSet: Quarter Century Bonanza Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 700 Defense: 500 (This card is not treated as a "Cyber" card.) You can pay 5000 LP; Special Summon 1 Fusion Monster from your Extra Deck in Attack Position.