The Houndoom (8 / 64) card can be found in the Neo Revelation Unlimited set.
Recently sold 6 times and based on those sales is worth around £33.00.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £24.22 to £41.78, making it quite stable.
This Rare Holo card was illustrated by Mitsuhiro Arita.