Psychic Boom
Cost: Psychic, Colorless
Does 20 damage plus 10 more damage for each Energy attached to the Defending Pokémon.
BinderLoot
ex3Printing · holo rare
Grumpig
HP 80 · Psychic
Pokémon — Stage 1
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Reference price
- Reverse Holo
- $16.28
- Holo
- $18.25
TCGplayer market price via TCGdex, updated Oct 14, 2026. This price is more than 3 days old, so the market price today can differ. It is an estimate, not an offer. It does not change with the condition or the language of your copy.
Price history
- Reverse Holo
- No change in 1 day
- Holo
- No change in 1 day
Daily TCGplayer market price over the last 30 days.
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Printing details
- Set
- Dragon
- Released
- November 24, 2003
- Language
- en
- Collector no.
- #6
- Rarity
- holo rare
Card text
- HP
- 80
- Type
- Psychic
- Evolves from
- Spoink
- Weakness
- Psychic x2
- Retreat
- 1
20+
Mind Trip
Cost: Psychic, Colorless, Colorless
If Grumpig and the Defending Pokémon have the same amount of Energy attached to them, the Defending Pokémon is now Confused.