Cards › L2: Steelix Constructed Standard Deck › Professor Oak's New Theory

Professor Oak's New Theory · 15 · L2: Steelix Constructed Standard Deck

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Professor Oak's New Theory (15) is a card from L2: Steelix Constructed Standard Deck, in the Diamond & Pearl – HGSS (JP) series. As of 8 November 2026, its Cardmarket trend is €0.17. It is the #19 most expensive of the 19 priced cards in the set.

Details

Set

L2: Steelix Constructed Standard Deck

Number

15

How this page is made: euro prices are the trend published by Cardmarket and dollar prices are TCGplayer market price; they refresh every night. They are reference prices from third-party stores, not an offer. Prism is a free, unofficial app for collecting Pokémon cards.