Rillaboom

SWSH Black Star Promos, Pokémon, SWSH277, Promo, art by DOM. TCGplayer product name: Rillaboom - SWSH277

Printing: Holofoil · Near Mint

$0.56

TCGplayer market price (an average of recent sales)

As of Oct 24 (yesterday).

Listed median$0.59asks on TCGplayer as of Oct 24

Change

7d0.0%30d0.0%90d−9.7% −$0.061y+12.0% +$0.06

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Grimmsnarl$0.18Same artist

Armarouge$0.15Same artist

Price trend

Oct 17 $0.56 → Oct 24, 2026 $0.56 0.0%

$0.57$0.56

Oct 17, 2026Oct 19, 2026Oct 20, 2026Oct 21, 2026Oct 24, 2026

Sep 24 $0.56 → Oct 24, 2026 $0.56 0.0%

$0.58$0.52$0.54$0.56

Sep 24, 2026Oct 4, 2026Oct 9, 2026Oct 14, 2026Oct 24, 2026

Jul 26 $0.62 → Oct 24, 2026 $0.56 −9.7%

$0.62$0.52$0.54$0.58$0.60$0.56

Jul 26, 2026Aug 25, 2026Sep 9, 2026Sep 24, 2026Oct 24, 2026

Oct 24, 2025 $0.50 → Oct 24, 2026 $0.56 +12.0%

$0.64$0.40$0.50$0.60$0.56

Oct 24, 2025Feb 22, 2026Apr 24, 2026Jun 24, 2026Oct 24, 2026

Feb 8, 2024 $0.24 → Oct 24, 2026 $0.56 +133%

$0.64$0.22$0.30$0.40$0.50$0.56

Feb 8, 2024Jan 2, 2025Jun 16, 2025Nov 28, 2025Oct 24, 2026

Record

Price history Feb 8, 2024 to Oct 24, 2026

Highest$0.64Jul 18, 2026 to Jul 23, 2026

Lowest$0.22Mar 2, 2024 to Mar 3, 2024

Vs highest12% below $0.64

Price changes, last 30 days

Date	Price	Change
Oct 10	$0.57 → $0.55	−3.5%	Show on chart
Oct 12	$0.55 → $0.56	+1.8%	Show on chart
Oct 15	$0.56 → $0.55	−1.8%	Show on chart
Oct 16	$0.55 → $0.56	+1.8%	Show on chart
Oct 18	$0.56 → $0.57	+1.8%	Show on chart
Oct 24	$0.57 → $0.56	−1.8%	Show on chart

Latest 6 of 13.

Vs its set

Over the 90 days to Oct 24, 2026: this card −9.7%; the median other printing in SWSH Black Star Promos −2.1% (319 other printings).

Rillaboom cards

There are 24 Rillaboom cards on tcgvibes.com, from 14 sets. Of the 15 with a release date, the oldest are the 2 from Sword & Shield Base Set (2020); the newest is Rillaboom from Twilight Masquerade (2024). It is one of 3 from SWSH Black Star Promos.