The Kyogre EX (54 / 160) card can be found in the Primal Clash set.
Recently sold 26 times and based on those sales is worth around £4.54.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £2.32 to £6.76, making it very stable.
This Rare Holo Ex card was illustrated by Ryota Murayama.
The fact that it is a EX card makes it one of the more valuable cards.