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|| The subject of this article has no official English name.|
The name currently in use is a fan translation of the Japanese name.
The Energy Conservation Deck (Japanese: しょうエネルギーデッキ) is a Theme Deck from Pokémon Card GB2: Here Comes Team GR! for the Game Boy Color. It predominantly focuses on type Pokémon. It is available from the Auto Deck Machine 2 after defeating Fort Leader Catherine.