Pokémon · World Championship Decks

Professor Oak's New Theory - 2012 (Igor Costa)

French name: Nouvelle théorie du Prof. Chen - 2012 (Igor Costa)

101/123UncommonWorld Championship Deck

Professor Oak's New Theory - 2012 (Igor Costa) (World Championship Decks 101/123) has a market price of US$0.50 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$0.50Low US$0.40

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
HP: 0
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 - 2012 (Igor Costa) is card 101/123 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$0.50. Over the last 30 days, the Normal price went up 25.0%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.