Cyber-Stein [SJC-EN001] Ultra Rare Young you cannot declare an attack

you cannot declare an attack this turn

The effect of that Spell Card is applied to the other player instead

) Instant - Destroy Energy Potion: Gain [2 Resource]

destroy all monsters your opponent controls and inflict 500 damage to your opponent for each monster destroyed by this effect

Set: Shonen Jump Magazine Promos Card type: Toon Monster Rarity: Ultra Rare Attack: 2000 Defense: 1700 This card cannot be Normal Summoned or Set

Cyber-Stein [SJC-EN001] Ultra Rare Young you cannot declare an attackSet: Shonen Jump Championship Series Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 700 Defense: 500 Pay 5000 Life Points. Special Summon 1 Fusion Monster from your Fusion Deck to the field in Attack Position.