Market price · Cosmos Holo
$0.53
TCGplayer (US) · updated Nov 2, 2026
≈ $1.84 delivered +$1.31 shipping (TCGplayer minimum on orders under $5)
Estimate for one card from a US seller. Buying several cards from the same seller shares one shipping fee. Shipping to Canada varies by seller.
TCGplayer · US market
Market
$0.53
Low
—
Mid
—
Printings (1)
- Set$0.53Shop0
Collection tracking (owned printings, condition, what you paid) opens October 25 — bookmark this page and check back.
Wood Drain60
Heal 30 damage from this Pokémon.
Raging Repeated Strike120+
Discard any amount of Energy from your Pokémon. This attack does 30 more damage for each card you discarded in this way.
- Weakness
- ×2
- Retreat
- 3
- Pokédex
- #0812
- Regulation
- E
- Format
- Not StandardExpanded ✓
- Released
- November 15, 2019
“The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.”
Price history
Show as table
| Date | Cosmos Holo |
|---|---|
| Nov 2, 2026 | $0.53 |
| Nov 1, 2026 | $0.53 |
| Oct 31, 2026 | $0.53 |
| Oct 30, 2026 | $0.53 |
| Oct 29, 2026 | $0.53 |
| Oct 28, 2026 | $0.53 |
| Oct 27, 2026 | $0.59 |
| Oct 26, 2026 | $0.59 |
| Oct 25, 2026 | $0.57 |
| Oct 24, 2026 | $0.56 |
| Oct 23, 2026 | $0.56 |
| Oct 22, 2026 | $0.57 |
| Oct 21, 2026 | $0.57 |
| Oct 20, 2026 | $0.57 |
| Oct 19, 2026 | $0.57 |
| Oct 18, 2026 | $0.57 |
| Oct 17, 2026 | $0.56 |
| Oct 16, 2026 | $0.56 |
| Oct 15, 2026 | $0.56 |
| Oct 14, 2026 | $0.55 |
| Oct 13, 2026 | $0.56 |
| Oct 12, 2026 | $0.56 |
| Oct 11, 2026 | $0.56 |
| Oct 10, 2026 | $0.55 |
| Oct 9, 2026 | $0.55 |
| Oct 8, 2026 | $0.56 |
| Oct 7, 2026 | $0.58 |
| Oct 6, 2026 | $0.58 |
| Oct 5, 2026 | $0.52 |
| Oct 4, 2026 | $0.52 |
| Oct 3, 2026 | $0.52 |
Showing the last 30 days. Full price history is on Elite and Master
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Other Rillaboom cards
Market trend
As of Nov 2, 2026 · TCGplayer (US)
- 7 days
- −10.2%
- 30 days
- +1.9%
- vs set · 7D
- +0.3%-10.5 pts vs set
- Volatility (30D) Elite+
- —
| Printing | Price | 1D | 7D | 30D |
|---|---|---|---|---|
| Cosmos Holo | $0.53 | 0.0% | −10.2% | +1.9% |
Price history by source · Cosmos Holo
- TCGplayer
Show as table
| Date | Value | Source |
|---|---|---|
| Nov 2, 2026 | $0.53 | TCGplayer |
| Nov 1, 2026 | $0.53 | TCGplayer |
| Oct 31, 2026 | $0.53 | TCGplayer |
| Oct 30, 2026 | $0.53 | TCGplayer |
| Oct 29, 2026 | $0.53 | TCGplayer |
| Oct 28, 2026 | $0.53 | TCGplayer |
| Oct 27, 2026 | $0.59 | TCGplayer |
| Oct 26, 2026 | $0.59 | TCGplayer |
| Oct 25, 2026 | $0.57 | TCGplayer |
| Oct 24, 2026 | $0.56 | TCGplayer |
| Oct 23, 2026 | $0.56 | TCGplayer |
| Oct 22, 2026 | $0.57 | TCGplayer |
| Oct 21, 2026 | $0.57 | TCGplayer |
| Oct 20, 2026 | $0.57 | TCGplayer |
| Oct 19, 2026 | $0.57 | TCGplayer |
| Oct 18, 2026 | $0.57 | TCGplayer |
| Oct 17, 2026 | $0.56 | TCGplayer |
| Oct 16, 2026 | $0.56 | TCGplayer |
| Oct 15, 2026 | $0.56 | TCGplayer |
| Oct 14, 2026 | $0.55 | TCGplayer |
| Oct 13, 2026 | $0.56 | TCGplayer |
| Oct 12, 2026 | $0.56 | TCGplayer |
| Oct 11, 2026 | $0.56 | TCGplayer |
| Oct 10, 2026 | $0.55 | TCGplayer |
| Oct 9, 2026 | $0.55 | TCGplayer |
| Oct 8, 2026 | $0.56 | TCGplayer |
| Oct 7, 2026 | $0.58 | TCGplayer |
| Oct 6, 2026 | $0.58 | TCGplayer |
| Oct 5, 2026 | $0.52 | TCGplayer |
| Oct 4, 2026 | $0.52 | TCGplayer |
| Oct 3, 2026 | $0.52 | TCGplayer |
Quick facts
Questions & answers
- How much is Rillaboom worth?
- Rillaboom (SWSH277, SWSH Black Star Promos) is worth about $0.53: the TCGplayer market price of its Cosmos Holo printing, updated November 2, 2026.
- What printings of Rillaboom SWSH277 exist?
- Rillaboom SWSH277 exists in 1 printing: Cosmos Holo.
- What set is Rillaboom from?
- Rillaboom is card SWSH277 of SWSH Black Star Promos (Sword & Shield), released on November 15, 2019.
- What rarity is Rillaboom SWSH277?
- Rillaboom (SWSH277, SWSH Black Star Promos) is a Promo card.
Answers are generated from Tallgrass's own catalog and market data.