The Steelix (H29) card can be found in the Skyridge set.
Recently sold 3 times and based on those sales is worth around £92.00.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £81.58 to £102.42, making it quite volatile.
This Rare Holo card was illustrated by Hikaru Koike.