Pokémon TCG card · Supporter
Professor Oak's New Theory
Professor Oak's New Theory has 17 printings across 6 sets on TCGplayer (14 English and 3 Japanese). Prices run from $0.40 to $33.46. The cheapest is Professor Oak's New Theory - 2012 (Igor Costa) at $0.40 and the most valuable is Professor Oak's New Theory - 101/123 (League Promo) at $33.46. The most traded printing over the last 30 days is Professor Oak's New Theory, with 49 copies sold.
TCGplayer market prices as of 2026-10-20. Updated nightly.
Card text
Supporter
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.
English printings (14)
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Buy on TCGplayerJapanese printings (3)
Buy on TCGplayerEvery printing of Professor Oak's New Theory
One copy of each card. TCGplayer fills the cart with the cheapest listing for each card and prices move, so your total can differ from ours. Normal and reverse holo copies share one TCGplayer product, so each card goes in once. Disclosure: these buttons open TCGplayer through our affiliate link. It does not change your price and it supports this work.
Quick answers
How much is Professor Oak's New Theory worth?
As of October 20, 2026, TCGplayer market prices for Professor Oak's New Theory run from $0.40 to $33.46, depending on the printing. The cheapest is Professor Oak's New Theory - 2012 (Igor Costa) at $0.40 and the most valuable is Professor Oak's New Theory - 101/123 (League Promo) at $33.46.
How many Professor Oak's New Theory cards are there?
Professor Oak's New Theory has 17 printings across 6 sets on TCGplayer (14 English and 3 Japanese).
Which Professor Oak's New Theory card sells the most?
The most traded printing over the last 30 days is Professor Oak's New Theory, with 49 copies sold.
About this page
Prices are TCGplayer market prices, refreshed nightly. Sold counts are TCGplayer completed sales over the trailing 30 days. Japanese rows come from TCGplayer's Pokemon Japan catalog and use the English card name. Card images and Buy buttons open TCGplayer through our affiliate link; printing names open our own price history pages. Not financial advice.