Professor Oak's New Theory
101 · Uncommon · HeartGold & SoulSilver
- Set
- HeartGold SoulSilver
- Number
- 101
- Rarity
- Uncommon
- Category
- Trainer
- Retreat cost
- 0
- Variants
- normal, reverse
- Language
- English
- Illustrator
- Ken Sugimori
- Released
- 10/02/2010
Also in Deutsch German, Français French
Market reference
- Average€0.27
- Low€0.02
- Trend€0.35
- 30-day avg€0.24
Cardmarket, EUR — a European market reference, not a UK valuation, and not converted. Observed 02/09/2026.