Like most Pokmon cards, the value of Dracovish depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Darkness Ablaze)
There are a bunch of Commander Classics like Hornet Queen, Nantuko Vigilante, Caustic Caterpillar, future strong cards like Haywire Mite, multiplayer classics like flying regenerator Fog of Gnats and the card drawing and recurring Grave-Shell Scarab, token making Ant Queen, game winning rampers like Moldgraf Monstrosity, Giant Adephage and Living Hive
Archaludon ex and Latias ex round out the horde, while newACE SPECcards and more new Pokmon ex bring surprises of their own
The deck is one I often refer to as my Sultai deck, as it plays kind of like one