# Serperior #BW20 — BW Black Star Promos

## Identity

| Field | Value |
| --- | --- |
| Set | BW Black Star Promos |
| Number | BW20 |
| Rarity | Rare |
| Era | BW |
| Illustrator | 5ban Graphics |
| Release date | 2011-04-26 |
| Image | Unavailable |

## Card details

| Field | Value |
| --- | --- |
| Card type | POKEMON |
| Stage | Stage2 |
| Evolves from | Servine |
| HP | 130 |
| Types | Grass |
| Ability: Royal Heal | At any time between turns, heal 10 damage from each of your Pokémon. |
| Attack: Leaf Tornado | cost Grass/Colorless — damage 60 — Move as many Grass Energy attached to your Pokémon to your other Pokémon in any way you like. |
| Weakness | Fire ×2 |
| Resistance | Water -20 |
| Retreat | 1 |
| Legal | Standard no · Expanded yes |
| Pokédex entry | [Serperior #497](https://cardboardalpha.com/pokemon/pokedex/serperior) |
| Finishes | Normal |
| Languages | EN |

## Current stats

- Headline price: **$7.29** (ITEM_MEDIAN; modelled guide price) — as of 2026-10-14T08:59:41.800Z
- 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 2026-10-14T08:59:41.800Z
- Floor delivered ask: unavailable (no depth coverage).
- Quant score: 81/100, regime ILLIQUID_UNKNOWN — as of 2026-10-14T08:59:41.800Z — 3 of 11 inputs · 26% weight · -35% confidence

## Provenance

- Catalog — observed 2011-04-26T00:00:00Z, confidence 98%
- Guide price (modelled) — observed 2026-10-13T00:00:00.000Z, confidence 90%
- Inventory count — observed 2026-09-12T03:31:03.328Z, confidence 70%
- Population census — observed 2026-10-11T23:46:12.449Z, confidence 60%

## Links

- [View on Cardboard Alpha](https://cardboardalpha.com/pokemon/bw-black-star-promos/serperior-bw20)
- [JSON snapshot](https://cardboardalpha.com/api/terminal/raw~tcgdex%3Abwp-BW20%3AEN%3ANORMAL~NM)