Card text
δ Rainbow Energy provides Colorless Energy. While attached to a Pokémon that has δ on its card, δ Rainbow Energy provides every type of Energy but provides only 1 Energy at a time. (Has no effect other than providing Energy.)

δ Rainbow Energy is an Energy card. It is listed as Special.
δ Rainbow Energy sits at 98/110 in Holon Phantoms, position 98 of 111. Before it is 97 Dark Metal Energy, and after it is 99 Crawdaunt ex. The set belongs to the EX series. It was released on 1 May 2006. The printed size is 110. This checklist is longer, at 111 cards. The listed rarity is Uncommon.
The card text says: δ Rainbow Energy provides Colorless Energy. While attached to a Pokémon that has δ on its card, δ Rainbow Energy provides every type of Energy but provides only 1 Energy at a time. (Has no effect other than providing Energy.)
The illustrator line reads Takumi Akabane. I count 51 other cards in the catalog with that illustrator.
Holon Phantoms set binder is where a full Holon Phantoms set goes. This card fills one slot there. Themed lists that include this exact card are Delta Species cards. I still need this card.
δ Rainbow Energy provides Colorless Energy. While attached to a Pokémon that has δ on its card, δ Rainbow Energy provides every type of Energy but provides only 1 Energy at a time. (Has no effect other than providing Energy.)
Holon Phantoms, in the EX series. It was released on 1 May 2006. The printed size is 110.
98/110. It is entry 98 of 111 in this checklist.
Takumi Akabane. The catalog lists 51 other cards with that illustrator.
Uncommon.