Lab TCG
Professor Oak's New Theory - 101/123 (League Promo)

Professor Oak's New Theory - 101/123 (League Promo)

League & Championship Cards • Promo • Reverse Holofoil

$32.75↓ -$17.20 (-34.4%) this week
Buy on TCGPlayerTrackSet Price Alert

We may earn a commission on TCGPlayer purchases, at no extra cost to you.

A free account adds unlimited-card tracking and the Sunday market report.

Professor Oak's New Theory - 101/123 (League Promo) from League & Championship Cards has a current TCGplayer market price of $32.75. It is down +34.4% over the past 30 days.

Price Snapshot

Market
$32.75
Low
$32.00
Mid
$44.99
High
$290.00
7-Day:-$17.20 (-34.4%)
30-Day:-$17.20 (-34.4%)
2026-08-29
2026-09-05
$49.95$45.65$41.35$37.05$32.75Aug-26Sep-26
TCG Current
$32.75
Change
-$17.20 | -34.4%
Low
$32.75
High
$49.95

Where to Buy

TCGPlayer$32.75
Buy Now
eBayGraded slabs
View PSA listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for slabs. Links may earn us a commission at no cost to you.

Graded Prices

No graded comps for this card yet. Pull the current PSA/BGS listings from eBay.

Other cards in League & Championship Cards

View full set →
Professor Oak's New Theory - 101/123 (League Promo) — League & Championship Cards Price & Value · The Lab TCG