Metal Energy was included in the Neo Genesis expansion with artwork by Milky Isobe, first released in Japan in the Gold, Silver, to a New World... expansion. The set symbol on the English print is gray instead of white. It was reprinted in the Chikorita Side Deck of the Japanese Intro Pack Neo. This card was released utilizing the e-card layout in the Expedition Base Set, having been previously reprinted in the Pokémon VS expansion. This print altered the card text so that only damage done by attacks were affected by the card effect; the negative effect applied to non--type Pokémon also only applied to attacks. It was later reprinted in the Aquapolis expansion with the original Neo Genesis card text, previously released in the The Town on No Map expansion.
At the beginning of the EX Series, Metal Energy was reprinted with the newly introduced card layout in the EX Ruby & Sapphire expansion, first released in the Japanese Mudkip Constructed Starter Deck. The card text was altered again, so that non--type Pokémon do not receive the additional effect instead of dealing 10 less damage. This card was also awarded as a prize to those who attended the Pokémon e-League throughout January 2004. The standard prize is a Cosmos Holographic version of the EX Ruby & Sapphire print, and winner versions have a "Winner" stamp in the bottom right corner of the artwork. Jumbo versions of the winner prints were also distributed as prizes. In Japan, a promotional print of this card was given away during the Gym Challenge Spring 2005. This card was reprinted in the EX Emerald expansion, previously reprinted in the Side Deck of the Japanese Master Kit. Later reprints were included in the EX Unseen Forces, EX Delta Species, and EX Holon Phantoms, with the latter originating from the Lucario Quarter Deck of the Japanese Gift Box Mew • Lucario. This print of Metal Energy was finally reprinted in the EX Power Keepers expansion, later released in Japan in the World Champions Pack.
In the Mysterious Treasures expansion, this card was reprinted with new artwork by Takumi Akabane, first released in Japan in the Secret of the Lakes expansion. This print was later reprinted in the Secret Wonders (originating from the Japanese Shining Darkness expansion), Majestic Dawn, and Rising Rivals (originating from the Bonds to the End of Time) expansions. In Japan, it was reprinted in the Beat of the Frontier expansion.
Metal Energy received new artwork by Kent Kanetsuna in the Undaunted expansion, first released in the Japanese Reviving Legends expansion and Steelix Constructed Standard Deck. A Crosshatch Holo version of this print was the League Promo during the February 2011 Block Smash Season of the 2010-2011 Pokémon League cycle. It was reprinted in the Call of Legends expansion.
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