The Raikou (28 / 144) card can be found in the Skyridge set.
Recently sold 2 times and based on those sales is worth around £25.52.
Currently, there are 2 open listings for this card on ebay.
This card sells in the range of £10.50 to £40.54, making it quite volatile.
This Rare card was illustrated by Mitsuhiro Arita.