Mysterious Treasures entered circulation in 2007. Series classification for this set is Diamond & Pearl.
Set size is 124 cards, which categorizes Mysterious Treasures as mid-size. As of 2026, the set is 19 years old and fits a legacy-era profile.
In the Mysterious Treasures checklist, Lake Boundary occupies position #112 as a Uncommon card.
Lake Boundary appears in Mysterious Treasures, released in 2007. Core profile: Its card type is Trainer.
The rarity label is Uncommon. This print is categorized under the Stadium subtype.
Card rules text: 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. Apply Weakness for each Pokémon (both yours and your opponent's) as ×2 instead.
Lake Boundary (Mysterious Treasures) is presently valued at about $0.40 in raw condition. The 7-day delta remains near neutral at 0.0%.
Relative to the last 30 days, value is near baseline at $0.40. The 90-day window shows a floor near $0.37 and a peak around $0.41 (10% total spread), which maps to low-volatility movement.
Rarity classification for this copy is Uncommon.
Collector-focused market read: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. Observed 90-day bounds of $0.37 and $0.41 create a 10% band, matching a low-volatility profile.
Current value remains close to its 30-day mean ($0.40). No consistent graded benchmark is available in this snapshot, so condition-adjusted pricing should be reviewed with active listings.