おおやま
2010s–presentIllustrator primarily depicting Pokemon in natural poses for Common rarity cards.
Cards
11
Avg Price
$4
Max Price
$18
30d Surge
+3.0%
Signature works · Top 5 by value
Sets Featured (9)
Full 42-card portfolio (Japanese market)
Sourced from pokemon-card.com — includes JP-exclusive promos and older cards not yet in the CardGap price index. CardGap currently tracks 11 of these with price data.
![ナッシー[Exeggutor]](https://www.pokemon-card.com/assets/images/card_images/large/CP6/032294_P_NASSHI.jpg)
Set-by-set breakdown
OOYAMA contributed artwork to 9 distinct sets. The table ranks them by the most expensive card in each.
Rarity distribution
Breakdown of OOYAMA's 11 works by rarity tier.
Amber bars indicate high-rarity tiers (SAR / SR / HR / Special Illustration / Hyper / Trainer Gallery).
Career era timeline
OOYAMA's contributions grouped by Pokemon TCG era. Highlights which eras concentrate the highest-priced cards.
Top 30-day price movers
OOYAMA's cards with the largest 30-day price gains. Useful for spotting momentum among collectors.
Investment view on OOYAMA's portfolio
Portfolio scale. $50 of estimated total catalog value across 11 cards in 9 sets. Average $$4/card with the peak at $18. The 30-day portfolio change is +3.0%, indicating a stable-to-positive trajectory.
High-rarity weight. 0 cards sit in high-rarity tiers (SAR / SR / HR / Special Illustration / Hyper / TG). These are the ones most likely to retain value long-term — Pokemon TCG investment historically favors illustrators with consistent high-rarity output over those who illustrate only commons.
Set diversification. Spread across 9 distinct sets. Concentration on 151 (1 cards) with a peak there of $18. Wider set participation generally signals an "in-rotation" illustrator Bandai trusts with major releases.
Disclaimer: This is informational only. Pokemon TCG prices fluctuate ±10-30% in short windows; back-test before sizing positions.
Comparable illustrators
Other illustrators with significant overlap in sets. Stats side-by-side for context.
| Illustrator | Cards | Avg $ | Max $ | Shared sets |
|---|---|---|---|---|
| OOYAMA (this page) | 11 | $4 | $18 | — |
| 5ban Graphics | 1123 | $34 | $2131 | 9 |
| Shin Nagasawa | 99 | $6 | $73 | 9 |
| Tomokazu Komiya | 42 | $9 | $140 | 8 |
| Mitsuhiro Arita | 259 | $149 | $2671 | 7 |
| Kouki Saitou | 90 | $70 | $3200 | 7 |
| Megumi Mizutani | 104 | $38 | $319 | 7 |
All 11 Cards by OOYAMA
All 11 Cards by OOYAMA(top 5 highlighted above)
Frequently asked about OOYAMA
Q. How many cards has OOYAMA illustrated?
As of 2026-06-01, OOYAMA has illustrated 11 Pokemon TCG cards across 9 different sets.
Q. What's the most expensive OOYAMA card?
Currently Mr. Mime (151 · Illustration Rare) at $18 on the international market.
Q. What's the average price of an OOYAMA card?
The international market average across all 11 cards is $4. The portfolio's 30-day average price change is +3.0%.
Q. Which sets feature OOYAMA's artwork?
OOYAMA has artwork in 9 sets including Black Bolt, 151, Cosmic Eclipse, Unified Minds, Unbroken Bonds, and 4 more.
Q. What rarities does OOYAMA typically illustrate?
Top 3 rarity tiers for this artist: Illustration Rare (3), Uncommon (3), Rare (3). 0 cards (0%) are high-rarity tier (SAR / SR / HR / SIR / Hyper / Trainer Gallery).
Q. When was OOYAMA most active?
OOYAMA has been active 2010s–present. The most prolific era in our database is "Sun & Moon era" with 7 cards.
Q. Are OOYAMA's cards a good investment?
30-day portfolio change is +3.0%, with a max card price of $18. Stable trajectory — solid for long-term holds. High-rarity diversification reduces single-card risk. For specifics see /grading/psa10-roi and /arbitrage on CardGap.
Q. Which other illustrators are similar to OOYAMA?
Most overlapping illustrators (shared sets): 5ban Graphics (9 shared sets, avg $34), Shin Nagasawa (9 shared sets, avg $6), Tomokazu Komiya (8 shared sets, avg $9). See the comparison table above for full stats.
Q. How do I identify a OOYAMA card?
Pokemon TCG cards print the illustrator's name at the bottom-left of the card art frame (small print). The name "OOYAMA" appears verbatim, sometimes with a "Illus. " prefix. Style cues: natural, common cards. On CardGap, use the search at /illustrators to filter.