Rillaboom SWSH277 / 307 Pokemon Card from SWSH Black Star Promos Set
Rillaboom is a Stage 2 Rapid Strike Pokémon of the Grass type with 180 HP. It is part of the SWSH Black Star Promos set, illustrated by artist DOM, and is…
- Set: SWSH Black Star Promos
- Number: SWSH277/307
- Rarity: Promo
Set
About the Rillaboom Pokémon Card
Rillaboom is a Grass-type Pokémon card with 180 HP from the SWSH Black Star Promos set, part of the Sword & Shield series. It carries the collector number SWSH277/307 and is classified as Promo. The SWSH Black Star Promos set was released on November 15, 2019.
The card includes the flavor text: “The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.”.
Rillaboom Pokémon Card Details
Card name: Rillaboom
Card number: SWSH277/307
Set: SWSH Black Star Promos
Series: Sword & Shield
Rarity: Promo
Subtypes: Stage 2, Rapid Strike
Type: Grass
HP: 180
Artist: DOM
Release date: November 15, 2019
National Pokédex number: 812
Why Collect the Rillaboom Pokémon Card?
Rillaboom is most often collected as part of a complete SWSH Black Star Promos set rather than as a standalone chase card.
Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.
Artwork and Illustration of the Rillaboom Pokémon Card
Rillaboom was illustrated by DOM.
Artwork is one of the factors collectors weigh when deciding which copies to keep or send for grading.
Market Price and Value of the Rillaboom Pokémon Card
The current aggregated market price for Rillaboom is about $0.56. Recent listings range from roughly $0.25 (low) to
For context, the SWSH Black Star Promos set has a median card value near $3.70 and an average near
Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the SWSH Black Star Promos set, the availability of sealed product, and broader Pokémon TCG market trends.
Grading the Rillaboom Pokémon Card
Whether Rillaboom is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.
Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.
PSA has graded 21 copies of this card, of which 5 earned a PSA 10 — a gem rate of about 23.8%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.
How Rare Is the Rillaboom Pokémon Card?
Rillaboom carries the Promo rarity, which determines how frequently it appears in booster packs.
Population data is one concrete measure of scarcity: PSA has graded 21 copies to date.
Other Printings of Rillaboom
Rillaboom appears on more than one card across the catalog. Other printings include Darkness Ablaze 197 (around $7.15), SWSH Black Star Promos SWSH006 (around $6.17) and Shining Fates Shiny Vault SV006 (around $3.34).
These are distinct cards rather than a single listing; compare the set, collector number, and rarity when identifying a specific copy.
Final Thoughts on the Rillaboom Pokémon Card
The Rillaboom pokémon card is a Promo card from the SWSH Black Star Promos set (Sword & Shield series). It is a straightforward addition for collectors completing the SWSH Black Star Promos set. Its current aggregated market price is about $0.56; the live figure and full price history appear above on this page.
Frequently asked questions
What set is the Rillaboom card from?
Rillaboom is from the SWSH Black Star Promos set (Sword & Shield series), numbered SWSH277/307 with the Promo rarity.
What rarity is the Rillaboom card?
Rillaboom is classified as Promo.
How much is the Rillaboom SWSH277/307 card worth?
The current aggregated market price is about $0.56, within a recent range of roughly $0.25 to
Is the Rillaboom card worth grading?
It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 21 copies so far, with about 23.8% reaching PSA 10. Top grades typically command a premium over raw copies.
What is the PSA population for Rillaboom?
PSA has graded 21 copies, of which 5 are PSA 10 (a gem rate of about 23.8%). These figures were last updated on June 15, 2026.
How rare is the Rillaboom card?
Rillaboom carries the Promo rarity, which determines how frequently it appears in booster packs.
When was the SWSH Black Star Promos set released?
The SWSH Black Star Promos set was released on November 15, 2019.
Are there other printings of Rillaboom?
Yes. Rillaboom appears on 9 other cards across the catalog. Compare the set, collector number, and rarity to identify a specific copy.