δ Rainbow Energy (Holon Phantoms 98/110), Uncommon. Illustrated by Takumi Akabane. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.
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.)
Questions
Is δ Rainbow Energy 98/110 rare?
It is an Uncommon from Holon Phantoms, a 110-card set.
Is δ Rainbow Energy 98/110 tournament legal?
δ Rainbow Energy 98/110 has rotated out of the current formats.