Release year for Mysterious Treasures is 2007. It belongs to the Diamond & Pearl series.
The checklist contains 124 cards, placing it in a mid-size expansion range. As of 2026, the set is 19 years old and fits a legacy-era profile.
Within this set, Metal Energy is card number 120 with a Uncommon designation.
Metal Energy appears in Mysterious Treasures, released in 2007. Its card type is Energy.
The rarity label is Uncommon. Card subtype classification is Special.
Printed card effect: Damage done by attacks to the Pokémon that Metal Energy is attached to is reduced by 10 (after applying Weakness and Resistance). Ignore this effect if the Pokémon that Metal Energy is attached to isn't Metal.
Metal Energy provides Metal Energy. (Doesn't count as a basic Energy card.) Attack names are not present in the current metadata snapshot.
Metal Energy from Mysterious Treasures is currently trading around $0.67. Its 7-day movement is largely flat at 0.0%.
That is close to the 30-day average of $0.67. Its 90-day trading band runs between $0.65 and $0.72, producing a 10% range and low-volatility behavior.
Rarity classification for this copy is Uncommon.
Other Metal printings create a useful comparison set for Metal Energy. The current sample spans 6 comparable cards from 5 sets.
In this sample, pricing ranges between $0.12 and $11.38 (9383% total span). Relative to the alternative average ($4.42), this card is -85%.
Notable alternatives include Metal Energy #98 (Evolutions) at $0.66, Metal Energy #139 (XY) at $0.86, Metal Energy #237 (Evolving Skies) at $11.17, and Metal Energy #159 (Crown Zenith) at $2.35.
Pricing context for collectors: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. The 90-day range spans $0.65 to $0.72 (10% spread), which indicates low-volatility behavior.
Relative to the 30-day baseline ($0.67), pricing is near equilibrium. No consistent graded benchmark is available in this snapshot, so condition-adjusted pricing should be reviewed with active listings.
