Pokémon TCG card · Trainer - Supporter
Professor's Research - 189/198
Professor's Research - 189/198 has 3 printings across 1 set on TCGplayer (3 English). Prices run from $0.24 to $1.25. The cheapest is Professor's Research - 189/198 - 2024 (Jesse Parker) at $0.24 and the most valuable is Professor's Research - 189/198 - 2024 (Fernando Cifuentes) at $1.25. The most traded printing over the last 30 days is Professor's Research - 189/198 - 2024 (Evan Pavelski), with 1 copies sold.
TCGplayer market prices as of 2026-10-20. Updated nightly.
Card text
Trainer - Supporter
Discard your hand and draw 7 cards.
You may play only 1 Supporter card during your turn.
English printings (3)
Buy on TCGplayer
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Buy on TCGplayerEvery printing of Professor's Research - 189/198
One copy of each card. TCGplayer fills the cart with the cheapest listing for each card and prices move, so your total can differ from ours. Normal and reverse holo copies share one TCGplayer product, so each card goes in once. Disclosure: these buttons open TCGplayer through our affiliate link. It does not change your price and it supports this work.
| Printing | Set | Rarity | Finish | Market | Sold 30d | |
|---|---|---|---|---|---|---|
| Professor's Research - 189/198 - 2024 (Jesse Parker) | World Championship Decks | Rare | Normal | $0.24 | 0 | Buy |
| Professor's Research - 189/198 - 2024 (Evan Pavelski) | World Championship Decks | Rare | Normal | $0.29 | 1 | Buy |
| Professor's Research - 189/198 - 2024 (Fernando Cifuentes) | World Championship Decks | Rare | Normal | $1.25 | 0 | Buy |
Quick answers
How much is Professor's Research - 189/198 worth?
As of October 20, 2026, TCGplayer market prices for Professor's Research - 189/198 run from $0.24 to $1.25, depending on the printing. The cheapest is Professor's Research - 189/198 - 2024 (Jesse Parker) at $0.24 and the most valuable is Professor's Research - 189/198 - 2024 (Fernando Cifuentes) at $1.25.
How many Professor's Research - 189/198 cards are there?
Professor's Research - 189/198 has 3 printings across 1 set on TCGplayer (3 English).
Which Professor's Research - 189/198 card sells the most?
The most traded printing over the last 30 days is Professor's Research - 189/198 - 2024 (Evan Pavelski), with 1 copies sold.
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.