Cyber-Stein (Quarter Century Secret Rare) [RA03-EN146] Quarter Century Secret Rare XY142 you may discard a card

you may discard a card with cost 0

Set: Neo Discovery 1st Edition Type: Metal Rarity: Rare Retreat cost: Colorless

after damage calculation: Banish that opponent's monster

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

Cyber-Stein (Quarter Century Secret Rare) [RA03-EN146] Quarter Century Secret Rare XY142 you may discard a cardSet: 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.