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← HeartGold SoulSilver

Professor Oak's New Theory

MARKET$0.82

Buy on TCGPlayer

#101Uncommon

Professor Oak's New Theory

Trainer

HeartGold SoulSilver

Market Prices

normal

$0.82

$0.25 – $20.00

Updated Aug 30, 2026

ILLUSTRATOR

Ken Sugimori

CARD NUMBER

101

Professor Oak's New Theory — HeartGold SoulSilver | TrainersCafé