# Blastoise #31/149 — Boundaries Crossed

## Summary

Blastoise is a Kanto starter final form with a devoted following, and this Black & White-era version leaned on its Deluge Ability to flood the table with Water Energy, a engine tournament players built around. As a standard Rare it was a mid-tier pull, so demand rests on nostalgia and playability. The modelled guide sits at $24 with 2 copies traded in 30 days; PSA does not split this card’s population by finish, so no gem rate can be read for it.

## Identity

| Field | Value |
| --- | --- |
| Set | Boundaries Crossed |
| Number | 31/149 |
| Rarity | Rare |
| Era | BW |
| Illustrator | Satoshi Shirai |
| Release date | 2012-11-07 |
| Image | Unavailable |

## Card details

| Field | Value |
| --- | --- |
| Card type | POKEMON |
| Stage | Stage2 |
| Evolves from | Wartortle |
| HP | 140 |
| Types | Water |
| Ability: Deluge | As often as you like during your turn (before your attack), you may attach a Water Energy card from your hand to 1 of your Pokémon. |
| Attack: Hydro Pump | cost Colorless/Colorless/Colorless/Colorless — damage 60 — Does 10 more damage for each Water Energy attached to this Pokémon. |
| Weakness | Grass ×2 |
| Retreat | 4 |
| Legal | Standard no · Expanded yes |
| Pokédex entry | [Blastoise #009](https://cardboardalpha.com/pokemon/pokedex/blastoise) |
| Finishes | Holo, Reverse Holo |
| Languages | EN |

## Current stats

- Headline price: **$24.21** (ITEM_MEDIAN; modelled guide price) — as of 2026-11-02
- 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 2026-11-02
- Floor delivered ask: $5.02 — as of 2026-10-30T23:49:06.626Z
- Quant score: 46/100, regime ILLIQUID_UNKNOWN — as of 2026-11-02T23:11:36.708Z — 4 of 11 inputs · 38% weight · -31% confidence

## Provenance

- Catalog — observed 2012-11-07T00:00:00Z, confidence 98%
- Live ask — observed 2026-10-31T18:08:54.630Z, confidence 90%
- Guide price (modelled) — observed 2026-11-02T00:00:00.000Z, confidence 90%
- Confirmed sale — observed 2026-09-25T14:42:03.380Z, confidence 85%
- Inventory count — observed 2026-10-24T09:32:31.320Z, confidence 70%
- Population census — observed 2026-09-07T04:43:06.519Z, confidence 60%

## Links

- [View on Cardboard Alpha](https://cardboardalpha.com/pokemon/boundaries-crossed/blastoise-31)
- [JSON snapshot](https://cardboardalpha.com/api/terminal/raw~tcgdex%3Abw7-31%3AEN%3AHOLO~NM)