Pokémon TCG · UncommonLive pricing
Professor Oak's New Theory
Stable-2.7%HeartGold SoulSilver, 2010 · #101/123
Professor Oak's New Theory's Near Mint price is down 5.3% ($0.04) over the past 30 days.
Fresh· Updated Oct 29, 2026
Card Details
TypeTrainer — Supporter
ArtistKen Sugimori
Card TextYou 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.
inkwell Fair Value™?· NM
$0.71
single source
——
Condition?
Confidencemedium
Prices as ofOct 29
Normal—
Cheapest printing—
Why This Price
inkwell Estimate
Fair Value$0.71
Movement
7D Change-2.7% (-$0.02)
30D Change-5.3% (-$0.04)
Freshness
Prices as ofOct 29
Update cadenceDaily
Inkwell Fair Value$0.71
Buy this card Affiliate link — inkwell may earn a commission. Learn more
More from HeartGold SoulSilver
See all cards →
- How much is Professor Oak's New Theory worth?
- The current Near Mint price for Professor Oak's New Theory from HeartGold SoulSilver (Pokémon TCG) is $0.71. It has decreased 2.7% over the past 7 days.
- What set is Professor Oak's New Theory from?
- Professor Oak's New Theory is from the HeartGold SoulSilver set, released February 2010. It is a Uncommon in Pokémon TCG.
- What rarity is Professor Oak's New Theory?
- Professor Oak's New Theory is a Uncommon card from HeartGold SoulSilver in Pokémon TCG.
- How has the price of Professor Oak's New Theory changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Professor Oak's New Theory has fallen 5.3% ($0.04) to $0.71.
- How many Professor Oak's New Theory cards exist?
- There are 2 different Professor Oak's New Theory cards across Pokémon TCG sets. Each version has unique stats, abilities, and artwork.