What is Mystery Energy worth?

Mystery Energy from XY4: Phantom Gate is currently valued at $3.68 for the 1st Edition variant.

What set is Mystery Energy from?

Mystery Energy is card #088/088 from the Pokémon JP set XY4: Phantom Gate, released September 13, 2014.

What type of card is Mystery Energy?

Mystery Energy is a Special Energy card in the Pokémon JP trading card game.

Mystery Energy

XY4: Phantom Gate#088/088Uncommon

Special Energy

This card can only be attached to [Psychic] Pokémon. This card provides [Psychic] Energy only while this card is attached to a [Psychic] Pokémon. The Retreat Cost of the Pokémon this card is attached to is {{e}}{{e}} less. (If this card is attached to anything other than a [Psychic] Pokémon, discard this card.)