It would get reprinted less than a year later in Shadowmoor
Unfortunately, the Food based Hobbit deck has a strange deck identity and its not quite unified enough to either function well on its own or modify it going forward to stay mostly the same deck, but more optimized
Like most Pokmon cards, the value of Salamence ex 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 (Journey Together)
Remember successful cards and packages and keep an eye out for new contexts for them - Here I started with the Risen Reef/Master of Waves decks I had had success with in the past as a potential home for the Arid Archway, Spelunking, Arboreal Grazer, Three Steps package I wanted to try
If it's good in EDH and from Wilds of Eldraine, you'll find it here