SWSH Black Star Promos
Rillaboom
Grass Promo
Market price
Unavailable No current market price was found.Log in to save this card to your collection or want list.
Evolves from: Thwackey
“By drumming, it taps into the power of its special tree stump. The roots of the stump follow its direction in battle.”
Abilities
Voltage Beat
Once during your turn, you may search your deck for up to 2 Grass Energy cards and attach them to 1 of your Pokémon. Then, shuffle your deck.