Pokémon · World Championship Decks

Professor Oak's New Theory - 2011 (David Cohen)

French name: Nouvelle théorie du Prof. Chen - 2011 (David Cohen)

83/95UncommonWorld Championship Deck

Professor Oak's New Theory - 2011 (David Cohen) (World Championship Decks 83/95) has a market price of US$0.60 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

NormalUS$0.60Low US$0.50

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Trainer - Supporter
Retreat cost: 0
Artist: Ken Sugimori

Card text

You can play only one Supporter 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.

About this card

Professor Oak's New Theory - 2011 (David Cohen) is card 83/95 in World Championship Decks, a Pokémon set released Jul 1, 2018. Rarity: Uncommon. Illustrated by Ken Sugimori. Reference market price on Nov 9, 2026: US$0.60. The Normal price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.