Professor Oak's New Theory
Steelix Constructed Standard Deck · #15/19 · None · 2010JPN
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Market price
Prices as of Jul 26, 2026
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How much is Professor Oak's New Theory #15/19 worth?
Professor Oak's New Theory #15/19 is a None card from Steelix Constructed Standard Deck, released in 2010. We track it nightly and will show a market price as soon as enough sales data exists.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Professor Oak's New Theory has moved over time.
