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Professor Oak's New Theory

HeartGold SoulSilver 101/123

Pokémon hgss1
Professor Oak's New Theory, card 101 from HeartGold SoulSilver
HeartGold SoulSilver 101/123
Attacks, abilities & rules

You can play only one 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.

Prices show their source and date. The latest available price from each licensed source, grouped by condition.

Exact printings

Printings & prices

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2 cataloged variants 2 reported prices
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01 Printing 1

Normal

Nonfoil

Reported prices

1 reported price
Source TCGdex · Cardmarket Market guide Provider market guide mapped to Near Mint
US$0.23 From €0.21 × 1.113003 · ECB, 2026-10-29
Observed
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02 Printing 2

Reverse Holo

Reverse

Reported prices

1 reported price
Source TCGdex · Cardmarket Market guide Provider market guide mapped to Near Mint
US$0.23 From €0.21 × 1.113003 · ECB, 2026-10-29
Observed
Open source record