The Terrakion (151 / 149) card can be found in the Boundaries Crossed set.
Recently sold 2 times and based on those sales is worth around £16.38.
Currently, there are 8 open listings for this card on ebay.
This card sells in the range of £16.23 to £16.53, making it very stable.
This Rare Secret card was illustrated by 5ban Graphics.