Professor Oak's New Theory (101/123) [HeartGold & SoulSilver: Base Set] Lightning[+30] Select 1 of those cards

Select 1 of those cards and add it to your hand

Set: Soul Fusion Card type: Link/Effect Monster Rarity: Super Rare Attack: 2500 2+ Effect Monsters

Set: Generation Force: Special Edition Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 2500 Defense: 2000 1 "Hero" monster + 1 WATER monster Must be Fusion Summoned and cannot be Special Summoned by other ways

Set: Legendary Collection Kaiba Card type: Normal Trap Rarity: Ultra Rare Target 1 Dragon monster on the field

Professor Oak's New Theory (101/123) [HeartGold & SoulSilver: Base Set] Lightning[+30] Select 1 of those cardsSet: HeartGold & SoulSilver: Base Set Type: Supporter Rarity: Uncommon