The Double Colorless Energy (90 / 108) card can be found in the Evolutions set.
Recently sold 5 times and based on those sales is worth around £1.20.
Currently, there are 14 open listings for this card on ebay.
This card sells in the range of £0.89 to £1.51, making it very stable.
This Uncommon card was illustrated by Keiji Kinebuchi.