The M Blastoise EX (102 / 108) card can be found in the Evolutions set.
Recently sold 12 times and based on those sales is worth around £18.04.
Currently, there are 11 open listings for this card on ebay.
This card sells in the range of £0.01 to £38.01, making it quite volatile.
This Rare Ultra card was illustrated by 5ban Graphics.
The fact that it is a EX card makes it one of the more valuable cards.