- Rarity
- Promo
- Type
- Supporter
- Artist
- Ken Sugimori
- Ability
- You can only play 1 Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.
Shuffle your hand into your deck. Then, draw 6 cards.
Shop this card
TCGplayerCardmarketeBayThe TCGplayer and eBay links are affiliate links. If you buy, we earn a commission.
Professor Oak's New Theory (League Promo) #101
League & Championship Cards · Promo
Professor Oak's New Theory (League Promo) #101 has a TCGplayer market price of $33.46 (Lightly Played). Cardmarket lists it at €219.00 (Near Mint).
Market prices
Updated Oct 19, 2026Market prices
No pricing data available.
Price history
More from League & Championship Cards
The top of League & Championship Cards by market price today.
![Umbreon (Regional Championships) [Staff]](https://images.pkmnprices.com/cards-sm/85d6da51cbec60ca.webp)
Umbreon (Regional Championships) [Staff]
$1450.00Near Mint—
![Dragonite (National Championships) [Staff]](https://images.pkmnprices.com/cards-sm/a110068dcaa77293.webp)
Dragonite (National Championships) [Staff]
$997.00Moderately Played—
![Blastoise (National Championships) [Staff]](https://images.pkmnprices.com/cards-sm/c5250915b0b3fb08.webp)
Blastoise (National Championships) [Staff]
$899.95Near Mint—
![Espeon (National Championships) [Staff]](https://images.pkmnprices.com/cards-sm/c629f7c5439a1e5d.webp)
Espeon (National Championships) [Staff]
$746.32Near Mint—
![Jolteon (Regional Championships) [Staff]](https://images.pkmnprices.com/cards-sm/2a2c6cf5db0764e8.webp)
Jolteon (Regional Championships) [Staff]
$700.00Near Mint—
![Dawn (Regional Championship) [Staff]](https://images.pkmnprices.com/cards-sm/39e4aab934076150.webp)
Dawn (Regional Championship) [Staff]
$668.49Near Mint—