Pokémon TCG card · Supporter

Professor Oak's New Theory

Professor Oak's New Theory has 17 printings across 6 sets on TCGplayer (14 English and 3 Japanese). Prices run from $0.40 to $32.75. The cheapest is Professor Oak's New Theory - 2012 (Igor Costa) at $0.40 and the most valuable is Professor Oak's New Theory - 101/123 (League Promo) at $32.75. The most traded printing over the last 30 days is Professor Oak's New Theory, with 52 copies sold.

TCGplayer market prices as of 2026-09-15. Updated nightly.

Card text

Supporter

You can only play 1 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.

English printings (14)

Professor Oak's New Theory - 101/123 (League Promo), League & Championship Cards · Promo — Professor Oak's New Theory - 101/123 (League Promo)
League & Championship Cards · Promo
$32.75
price history

Professor Oak's New Theory 101/123, HeartGold SoulSilver · Uncommon — Professor Oak's New Theory 101/123
HeartGold SoulSilver · Uncommon
$6.96
price history

Professor Oak's New Theory 83/95, Call of Legends · Uncommon — Professor Oak's New Theory 83/95
Call of Legends · Uncommon
$3.45
price history

Professor Oak's New Theory - 2012 (Shuto Itagaki) 83/95, World Championship Decks · Uncommon — Professor Oak's New Theory - 2012 (Shuto Itagaki) 83/95
World Championship Decks · Uncommon
$1.18
price history

Professor Oak's New Theory - 2011 (Ross Cawthon) 83/95, World Championship Decks · Uncommon — Professor Oak's New Theory - 2011 (Ross Cawthon) 83/95
World Championship Decks · Uncommon
$0.85
price history

Professor Oak's New Theory - 2010 (Yuta Komatsuda) 101/123, World Championship Decks · Uncommon — Professor Oak's New Theory - 2010 (Yuta Komatsuda) 101/123
World Championship Decks · Uncommon
$0.80
price history

Professor Oak's New Theory - 2011 (Christopher Kan) 101/123, World Championship Decks · Uncommon — Professor Oak's New Theory - 2011 (Christopher Kan) 101/123
World Championship Decks · Uncommon
$0.67
price history

Professor Oak's New Theory - 2011 (David Cohen) 83/95, World Championship Decks · Uncommon — Professor Oak's New Theory - 2011 (David Cohen) 83/95
World Championship Decks · Uncommon
$0.60
price history

Professor Oak's New Theory - 2012 (Chase Moloney) 83/95, World Championship Decks · Uncommon — Professor Oak's New Theory - 2012 (Chase Moloney) 83/95
World Championship Decks · Uncommon
$0.49
price history

Professor Oak's New Theory - 2011 (Gustavo Wada) 101/123, World Championship Decks · Uncommon — Professor Oak's New Theory - 2011 (Gustavo Wada) 101/123
World Championship Decks · Uncommon
$0.49
price history

Professor Oak's New Theory - 2012 (Zachary Bokhari) 83/95, World Championship Decks · Uncommon — Professor Oak's New Theory - 2012 (Zachary Bokhari) 83/95
World Championship Decks · Uncommon
$0.47
price history

Professor Oak's New Theory - 2012 (Igor Costa) 101/123, World Championship Decks · Uncommon — Professor Oak's New Theory - 2012 (Igor Costa) 101/123
World Championship Decks · Uncommon
$0.40
price history

Japanese printings (3)

Professor Oak's New Theory 068/070 Japanese, HeartGold Collection · Uncommon — Professor Oak's New Theory 068/070 Japanese
HeartGold Collection · Uncommon
$1.00
price history

Weekly alerts

Get the Weekly Price Alerts

Every Sunday at 4:30pm ET - biggest movers (singles + sealed) + bulk breakouts.

Every printing of Professor Oak's New Theory

Printing	Set	Rarity	Finish	Market	Sold 30d
Professor Oak's New Theory - 2012 (Shuto Itagaki) 83/95	World Championship Decks	Uncommon	Normal	$1.18	1	Buy
Professor Oak's New Theory - 2011 (Ross Cawthon) 83/95	World Championship Decks	Uncommon	Normal	$0.85	0	Buy
Professor Oak's New Theory - 2012 (Chase Moloney) 83/95	World Championship Decks	Uncommon	Normal	$0.49	1	Buy
Professor Oak's New Theory - 2011 (David Cohen) 83/95	World Championship Decks	Uncommon	Normal	$0.60	3	Buy
Professor Oak's New Theory - 2012 (Zachary Bokhari) 83/95	World Championship Decks	Uncommon	Normal	$0.47	4	Buy
Professor Oak's New Theory - 2012 (Igor Costa) 101/123	World Championship Decks	Uncommon	Normal	$0.40	1	Buy
Professor Oak's New Theory - 2011 (Gustavo Wada) 101/123	World Championship Decks	Uncommon	Normal	$0.49	2	Buy
Professor Oak's New Theory - 2010 (Yuta Komatsuda) 101/123	World Championship Decks	Uncommon	Normal	$0.80	5	Buy
Professor Oak's New Theory - 2011 (Christopher Kan) 101/123	World Championship Decks	Uncommon	Normal	$0.67	3	Buy
Professor Oak's New Theory - 101/123 (League Promo)	League & Championship Cards	Promo	Reverse Holofoil	$32.75	1	Buy
Professor Oak's New Theory 83/95	Call of Legends	Uncommon	Normal	$0.98	37	Buy
Professor Oak's New Theory 83/95	Call of Legends	Uncommon	Reverse Holofoil	$3.45	5	Buy
Professor Oak's New Theory 101/123	HeartGold SoulSilver	Uncommon	Reverse Holofoil	$6.96	2	Buy
Professor Oak's New Theory 101/123	HeartGold SoulSilver	Uncommon	Normal	$0.80	52	Buy
Professor Oak's New Theory 015/019 Japanese	Tyranitar Constructed Standard Deck	None	1st Edition	n/a	0	Buy
Professor Oak's New Theory 068/070 Japanese	HeartGold Collection	Uncommon	1st Edition	$1.00	0	Buy
Professor Oak's New Theory (Mirror Holofoil) 068/070 Japanese	HeartGold Collection	Uncommon	1st Edition Holofoil	n/a	0	Buy

About this page

Prices are TCGplayer market prices, refreshed nightly. Sold counts are TCGplayer completed sales over the trailing 30 days. Japanese rows come from TCGplayer's Pokemon Japan catalog and use the English card name. Card images and Buy buttons open TCGplayer through our affiliate link; printing names open our own price history pages. Not financial advice.