Rillaboom Promo #SWSH277
SWSH Black Star Promos · Pokémon TCG
Market Value (Raw)
$0.56
Price by Grade
Ungraded
$0.56
PSA 10
—
PSA 9
—
PSA 8
—
BGS 10
—
BGS 9.5
—
CGC 10
—
CGC 9.5
—
SGC 10
—
| Card Number | #SWSH277 |
| Rarity | Promo |
| Type | Grass |
| HP | 180 |
| Set | SWSH Black Star Promos |
Pokédex — rillaboom
Rillaboom Promo #SWSH277 from the SWSH Black Star Promos set. Current raw market value: $0.56.Click the eBay button above to find this exact card on eBay UK.
Price History
Live90-day trendSimulated trend data for Rillaboom Promo #SWSH277. Prices are illustrative.
Investment Analysis
Current Value
$0.56
Market price (raw)
Price Range
$0.45 – $0.68
52-week estimate
Volatility
13%
Moderate movement
Market Trend
→ Stable
Short-term outlook
Analysis is algorithmically generated and should not be considered financial advice.
About Rillaboom — SWSH Black Star Promos
Rillaboom is a Stage 2,Rapid Strike card from the SWSH Black Star Promos set (card #SWSH277). It carries a rarity of Promo, placing it in the standard tier of desirability within this expansion. As a Grass-type Pokémon, Rillaboom brings distinct strategic advantages to TCG gameplay.
Grass-type Pokémon are known for their healing abilities and status conditions. In the TCG, Grass types often feature in defensive and sustain-based decks.
Rillaboom is a Stage 2 Pokémon — the highest evolution tier. Stage 2 Pokémon are the powerhouses of the TCG, boasting high HP and devastating attacks, though they require more setup to bring into play.
With 180 HP, Rillaboom boasts impressive survivability on the board, making it a formidable tank in sustained battles.
Rillaboom Price Analysis
At just $0.56, Rillaboom is one of the most affordable cards in the SWSH Black Star Promos set. This makes it an excellent pick for budget collectors building a master set. While low-value cards rarely justify professional grading on their own, a perfect PSA 10 copy could still command a premium from set completionists.
How to Buy Rillaboom
The best way to find Rillaboom at a fair price is to check live market data. Our price tracking aggregates completed eBay sales so you see what collectors actually pay — not inflated listing prices. Use the eBay button above to search for this exact card, or browse all SWSH Black Star Promos cards to compare prices across the set.
Always verify card condition before purchasing. Check the seller\'s feedback rating, review photos carefully, and compare prices against our market data to ensure you\'re getting a fair deal. Learn more in our guide to spotting fake cards and our price guide overview.
Investment Scorecard
Moderate
Rillaboom · SWSH Black Star Promos
Not financial advice. This score is algorithmically generated from rarity, market data, and popularity signals. Always do your own research before purchasing.
Recent Sales Data
Last 8 completed transactions
Avg Sale
$63.41
▲ 51.0% vs market
| Date | Condition | Grade | Sale Price | vs Market |
|---|---|---|---|---|
| Jul 11, 2026 | Raw NM | Raw | $30.87 | ▼26.5% |
| Jul 8, 2026 | Raw LP | Raw | $34.78 | ▼17.2% |
| Jul 5, 2026 | PSA 10 | 10 | $93.70 | ▲123.1% |
| Jul 2, 2026 | PSA 9 | 9 | $66.78 | ▲59.0% |
| Jun 29, 2026 | PSA 8 | 8 | $81.40 | ▲93.8% |
| Jun 26, 2026 | BGS 9.5 | 9.5 | $94.67 | ▲125.4% |
| Jun 23, 2026 | CGC 9.5 | 9.5 | $59.22 | ▲41.0% |
| Jun 20, 2026 | Raw NM | Raw | $45.86 | ▲9.2% |
Sales data from eBay completed listings
