The Lugia (29 / 115) card can be found in the Unseen Forces set.
Recently sold 5 times and based on those sales is worth around £33.87.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £4.94 to £62.80, making it highly volatile.
This Rare card was illustrated by Kouki Saitou.