The Tornadus EX (90 / 108) card can be found in the Dark Explorers set.
Recently sold 1 times and based on those sales is worth around £4.95.
Currently, there is 1 open listing for this card on ebay.
This card sells in the range of £4.95 to £4.95, making it very stable.
This Rare Holo Ex card was illustrated by Shizurow.
The fact that it is a EX card makes it one of the more valuable cards.