Rillaboom SWSH Black Star Promos #SWSH277

Card #SWSH277 · Illustrated by DOM

180 HPGrassPokémonStage 2Rapid Strike

Ungraded · blended

$0.56

▼ 5.3% · 30d

Range $0 → $1
1 grading company tracked
Confidence high · How we price →

Rillaboom is a Promo Pokémon card from SWSH Black Star Promos (#SWSH277), illustrated by DOM. It's a Stage 2 Rapid Strike Grass-type Pokémon with 180 HP, evolving from Thwackey, weak to Fire ×2. Its current blended market value is $0.56 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 2 July 2026.

#14 most valuable Rillaboom of 18 #288 most valuable in SWSH Black Star Promos of 304

Competitive play · Limitless

0.5%

Played in 0.5% of competitive decks — 17 of 3,174 decklists across the last 41 Standard tournaments.

Raw price by condition

Holofoil · live market via TCGplayer

NMNear Mint$0.54

LPLightly Played$0.43

MPModerately Played$0.28

7-day▼ 3.6%

30-day▼ 5.3%

90-day▲ 20.0%

All-time high$1

All-time low$0

Graded prices

Ungraded (raw)$0.54

CGC graded price estimates by grade
Grade	Relative value	Price
CGC 9		$5$5–$5
CGC 8.5		$2$2–$2

“Sold” = median of real recent eBay sold listings at that grade. Other figures are blended marketplace estimates. Confidence reflects the price spread — not PSA-official values.

Price history · raw near-mint

Not enough price history to chart yet.

Recent sold prices

No recent sold listings tracked.

Population across graders

PSA21 gradedPSA 10 · 5 · 24% gem rate

105

915

Real graded population from PSA, CGC & BGS — a lower gem rate means a Rillaboom 10 is harder to pull.

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Where to buy

TCGplayerUS CardmarketEU eBay MercariUS AmazonUS TrollAndToadUS CoolStuffIncUS

Check recent sold prices

eBay sold PriceCharting

Cross-market prices

124% spread

Cardmarket · cheapest$0

TCGplayer · dearest$1

Currently 124% cheaper on Cardmarket than TCGplayer. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.

Market signal

Momentum · 30dFalling -5%

Cross-marketMarkets disagree 124% gap

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🇪🇺 Cardmarket price · Europe

55% cheaper than the US

Cardmarket · Europe's largest card market$0

Buy on CardmarketEU

Card text

Evolves from Thwackey.

Wood Drain60

Grass · Colorless

Heal 30 damage from this Pokémon.

Raging Repeated Strike120+

Grass · Grass · Colorless

Discard any amount of Energy from your Pokémon. This attack does 30 more damage for each card you discarded in this way.

Weakness Fire ×2Retreat 3

“The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.”

About the Pokémon

Drummer PokémonGEN VIIIGrookey → Thwackey → Rillaboom

By drumming, it taps into the power of its special tree stump. The roots of the stump follow its direction in battle.

Card details

SetSWSH Black Star Promos →

Number#SWSH277

RarityPromo

PokémonAll Rillaboom cards →

GenerationGen VIII · Galar →

ArtistDOM →

SupertypePokémon

SubtypesStage 2, Rapid Strike

TypeGrass

HP180

Evolves fromThwackey

WeaknessFire ×2

Retreat cost3

National Pokédex#812

Card IDswshp-SWSH277

SourceAggregated marketplaces

Other Rillaboom cards

There are 9 different Rillaboom printings — make sure you're valuing the right one. This is SWSH Black Star Promos #SWSH277 (Promo).