The Metal Energy (80 / 90) card can be found in the Hs Undaunted set.
Recently sold 1 times and based on those sales is worth around £2.35.
Currently, there are 5 open listings for this card on ebay.
This card sells in the range of £2.35 to £2.35, making it very stable.
This Uncommon card was illustrated by Kent Kanetsuna.