Rillaboom #14

Rillaboom is a Sword & Shield card from the 2020 release window. The printed flavor text states: "By drumming, it taps into the power of its special tree stump.

The roots of the stump follow its direction in battle." Core profile: Its card type is Pokémon. The rarity label is Rare Holo.

Printed HP is 170. Energy typing is Grass.

Rillaboom evolves from Thwackey. Notable ability on this print: "Voltage Beat".

Current market pricing for Rillaboom (Sword & Shield) sits near $0.28. The 7-day delta remains near neutral at 0.0%.

That is close to the 30-day average of $0.28. The 90-day window shows a floor near $0.25 and a peak around $0.29 (14% total spread), which maps to low-volatility movement.

The listed rarity for this print is Rare Holo.

Pricing context for collectors: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. With a 14% 90-day spread ($0.25-$0.29), this card currently tracks as low-volatility.

Relative to the 30-day baseline ($0.28), pricing is near equilibrium. Condition sensitivity is substantial: PSA 10 carries a +9543% premium over raw value.

PSA 9 is currently around $14.96, while PSA 10 is $27.00.

Sword & Shield entered circulation in 2020. Series classification for this set is Sword & Shield.

Set size is 216 cards, which categorizes Sword & Shield as large. As of 2026, the set is 6 years old and sits in a modern-era collecting window.

In the Sword & Shield checklist, Rillaboom occupies position #14 as a Rare Holo card.

Collectors tracking Rillaboom often benchmark it against other Rillaboom cards. The current sample spans 6 comparable cards from 5 sets.

In this sample, pricing ranges between $0.21 and $6.32 (2910% total span). Relative to the alternative average ($2.66), this card is -89%.

Notable alternatives include Rillaboom #SWSH277 (SWSH Black Star Promos) at $0.44, Rillaboom #SWSH006 (SWSH Black Star Promos) at $6.20, Rillaboom #18 (Chilling Reign) at $0.25, and Rillaboom #SV006 (Shining Fates Shiny Vault) at $2.56.