The Deoxys ex (93 / 106) card can be found in the Emerald set.
Recently sold 5 times and based on those sales is worth around £55.00.
Currently, there are 2 open listings for this card on ebay.
This card sells in the range of £35.23 to £74.77, making it quite volatile.
This Rare Holo Ex card was illustrated by Mitsuhiro Arita.
The fact that it is a EX card makes it one of the more valuable cards.