# Deoxys ex #99/107 — Deoxys

## Summary

Deoxys ex was the centerpiece of its namesake set, a Rare-tier ex that made the Form Change engine a real deck-building idea, and Deoxys keeps a loyal Hoenn mythical following. Mitsuhiro Arita is among the Pokémon TCG's most celebrated illustrators, which adds quiet weight for artist-minded collectors. The modelled guide sits at $176 with 10 copies traded in 30 days; the slab is the real edge, with PSA 10s at $23,400 and a 3% observed gem rate putting about $100 of expected profit per submission, and the slabbed population is growing 4% a month, faster than 92% of tracked cards.

## Identity

| Field | Value |
| --- | --- |
| Set | Deoxys |
| Number | 99/107 |
| Rarity | Rare |
| Era | EX |
| Illustrator | Mitsuhiro Arita |
| Release date | 2005-02-01 |
| Image | Unavailable |

## Card details

| Field | Value |
| --- | --- |
| Card type | POKEMON |
| Suffix | ex |
| HP | 90 |
| Types | Psychic |
| Ability: Form Change | Once during your turn (before your attack), you may search your deck for another Deoxys ex and switch it with Deoxys ex. (Any cards attached to Deoxys ex, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) If you do, put Deoxys ex on top of your deck. Shuffle your deck afterward. You can't use more than 1 Form Change Poké-Power each turn. |
| Attack: Psychic Shield | cost Psychic/Colorless/Colorless — damage 50 — Prevent all effects of attacks, including damage, done to Deoxys ex by your opponent's Pokémon-ex during your opponent's next turn. |
| Weakness | Psychic ×2 |
| Retreat | 2 |
| Legal | Standard no · Expanded no |
| Pokédex entry | [Deoxys #386](https://cardboardalpha.com/pokemon/pokedex/deoxys) |
| Finishes | Holo |
| Languages | EN |

## Current stats

- Headline price: **$176.40** (ITEM_MEDIAN; modelled guide price) — as of 2026-10-17T21:45:02.614Z
- Headline basis: MODELLED_GUIDE — The venue’s published daily market guide, which the venue itself declares MODELLED. Nothing is confirmed to have traded at it, no copy is listed at it, and it is not our estimate — it is theirs.
- 24h change: n/a · 7d change: n/a — as of 2026-10-17T21:45:02.614Z
- Floor delivered ask: $649.99 — as of 2026-10-17T21:45:02.614Z
- Quant score: 14/100, regime ILLIQUID_UNKNOWN — as of 2026-10-17T21:45:02.614Z — 4 of 11 inputs · 31% weight · -35% confidence

## Provenance

- Catalog — observed 2005-02-01T00:00:00Z, confidence 98%
- Live ask — observed 2026-10-03T07:58:51.063Z, confidence 90%
- Price statistic — observed 2026-09-17T17:38:22.949Z, confidence 90%
- Confirmed sale — observed 2026-08-31T06:23:42.890Z, confidence 85%
- Guide price (modelled) — observed 2026-10-17T06:47:54.648Z, confidence 75%
- Inventory count — observed 2026-09-17T17:38:22.949Z, confidence 70%
- Population census — observed 2026-10-13T00:52:39.870Z, confidence 60%

## Links

- [View on Cardboard Alpha](https://cardboardalpha.com/pokemon/deoxys/deoxys-ex-99)
- [JSON snapshot](https://cardboardalpha.com/api/terminal/raw~tcgdex%3Aex8-99%3AEN%3AHOLO~NM)