What is a Special Energy card?

Special Energy cards, unlike Basic Energy cards, provide specific benefits or conditions in addition to supplying energy for attacks, often with unique rules or effects.

Can I have more than four Double Colorless Energy cards in my deck?

No, like all Special Energy cards, you are limited to including a maximum of four copies of Double Colorless Energy in your deck.

Does Double Colorless Energy count as two separate Energy cards for effects?

Double Colorless Energy provides two units of Colorless Energy, but it is still considered a single card attached to a Pokémon.

Is this card legal in all Pokémon TCG formats?

The legality of cards, including Special Energy, depends on the specific format (Standard, Expanded, etc.) and rotates over time, so it's best to check current rules.

Why is this card so valuable if it's just an energy card?

This card's value comes from its extreme rarity as a Secret Rare (166/145) and its full-art, holographic design, making it a highly desirable collector's item.

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Double Colorless Energy — Guardians Rising Pokémon card

Double Colorless EnergyGuardians Rising #166 Pokémon Card

Name: Double Colorless Energy — Guardians Rising #166
Brand: Pokémon TCG

Guardians Rising·#166·2017

Double Colorless Energy, a fundamental component of the Pokémon Trading Card Game, represents a crucial game mechanic rather than a specific Pokémon species, thus having no type, generation, or evolution line in the traditional sense. This specific card, a Secret Rare from the 2017 Guardians Rising set (166/145), stands out as a full-art, gold-bordered variant, making it a highly sought-after collectible. Here, visitors will discover its unique role within the TCG, detailed card mechanics including its energy provision, and its position within the history of Pokémon card editions.

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Card Number: #166
Release Date: May 4, 2017
Language: EN
Set Code: SM2

Double Colorless Energy is not a Pokémon itself, but rather a special kind of Energy card fundamental to the Pokémon Trading Card Game. As such, it doesn't have a Pokédex entry, natural habitat, diet, or generational introduction in the traditional sense of a Pokémon creature. Instead, it represents a crucial game mechanic that has existed since the very first sets of the Pokémon TCG. Its role is to provide two units of Colorless Energy, making it incredibly versatile and often essential for powering up attacks on a wide variety of Pokémon, regardless of their specific type. It has no evolution line and doesn't participate in type matchups. Culturally, it's one of the most recognizable and impactful Special Energy cards in the game's history, frequently reprinted and consistently influencing deck-building strategies across different eras. Its utility means it often sees play in competitive decks, making it a cornerstone of the game's energy system.

Last updated: April 11, 2026