The Seadra (31 / 160) card can be found in the Primal Clash set.
Recently sold 1 times and based on those sales is worth around £0.20.
Currently, there are 5 open listings for this card on ebay.
This card sells in the range of £0.20 to £0.20, making it very stable.
This Uncommon card was illustrated by Sanosuke Sakuma.