Question 1

What is the current market value of Thunder Mountain ◇ #191?

Accepted Answer

Latest market snapshots place Thunder Mountain ◇ in Lost Thunder at roughly $1.55. Its 7-day movement is largely flat at -1.6%. That is close to the 30-day average of $1.53. In the past 90 days, observed prices ranged from $1.20 to $1.63 (28% spread), a moderate-volatility profile. Rarity classification for this copy is Rare Prism Star.

Question 2

Is Thunder Mountain ◇ #191 a good investment or collectible?

Accepted Answer

Current valuation lens: We observe a -1.6% shift this week, which points toward price consolidation rather than immediate volatility. Observed 90-day bounds of $1.20 and $1.63 create a 28% band, matching a moderate-volatility profile. Current value remains close to its 30-day mean ($1.53). The clearest graded reference is PSA 9 at $8.00, or +416% relative to raw.

Question 3

What is Thunder Mountain ◇ #191 and what makes it special?

Accepted Answer

In 2018, Lost Thunder introduced this print of Thunder Mountain ◇. Its card type is Trainer. The rarity label is Rare Prism Star. This gives collectors a clear identity footprint for the print. Card subtype classification is Stadium and Prism Star. The card text reads: The attacks of Lightning Pokémon (both yours and your opponent's) cost Lightning less. Whenever any player plays an Item or Supporter card from their hand, prevent all effects of that card done to this Stadium card. This card stays in play when you play it. Discard this card if another Stadium card comes into play. If another card with the same name is in play, you can't play this card. ◇ (Prism Star) Rule: You can't have more than 1 ◇ card with the same name in your deck. If a ◇ card would go to the discard pile, put it in the Lost Zone instead. No explicit attack names are available in the loaded card metadata. Within set composition, this rarity normally lands above common and uncommon print tiers.

Question 4

What set is Thunder Mountain ◇ #191 from, and when was it released?

Accepted Answer

Lost Thunder was released in 2018. It belongs to the Sun & Moon series. Set size is 240 cards, which categorizes Lost Thunder as large. As of 2026, the set is 8 years old and now falls into an established back-catalog period. In the Lost Thunder checklist, Thunder Mountain ◇ occupies position #191 as a Rare Prism Star card.

Thunder Mountain ◇ #191

Price history

All Thunder Mountain ◇ cards

Card details