![Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set] 153 Set: 2014 Mega-Tins Mega Pack](https://cdn.shopify.com/s/files/1/0643/5648/3327/products/54c72f8f-a064-46bd-b9e2-817ec7174f98_363c349e-5421-4507-9a45-290822283e52.jpg?v=1696342572)
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Set: 2014 Mega-Tins Mega Pack Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1500 1 Tuner + 1 or more non-Tuner monsters If this card attacks or is attacked
that player gains 200 Life Points
you can either: Target 1 monster on the field
Once per turn: You can detach 1 Xyz Material from this card
Set: Magic Ruler Card type: Equip Spell Rarity: Ultra Rare Take control of 1 of your opponent''s face-up monsters
Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set] 153 Set: 2014 Mega-Tins Mega PackSet: HeartGold & SoulSilver: Base Set Type: Supporter Rarity: Promo
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