HeartGold & SoulSilver · HeartGold & SoulSilver
Professor Oak's New Theory
- Set
- HeartGold SoulSilver
- Number
- 101 / 124
- Rarity
- Uncommon
- Illustrator
- Ken Sugimori
- Category
- Trainer
Available printings
NormalCM 279073
Market price
€0.22
- Low
- €0.02
- Trend
- €0.12
- 7-day average
- €0.14
- 30-day average
- €0.20
Source: CardmarketUpdated Sep 20, 2026
Reverse holoCM 279073
Market price
€1.49
- Low
- €0.40
- Trend
- €2.73
- 7-day average
- €1.96
- 30-day average
- €1.92
Source: CardmarketUpdated Sep 20, 2026