![Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set]](http://mediareload.net/cdn/shop/products/54c72f8f-a064-46bd-b9e2-817ec7174f98_1024x1024.jpg?v=1709491160)
![Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set]](http://mediareload.net/cdn/shop/products/54c72f8f-a064-46bd-b9e2-817ec7174f98_480x480.jpg?v=1709491160)
| Set: | HeartGold & SoulSilver: Base Set |
| Type: | Supporter |
| Rarity: | Promo |
| Set: | HeartGold & SoulSilver: Base Set |
| Type: | Supporter |
| Rarity: | Promo |