Like most Pokmon cards, the value of Blaine's Vulpix 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 (Gym Challenge)
It is noteworthy for being a card that draws from Final Fantasy XVI, mind you, which we havent seen much of yet
Jodah, the Unifier players are already salivating, as are Counters players who have noted that the counters never move off Aerith when she dies, so they can be moved onto the Ozolith
Morph played the biggest role in Onslaught block and Khans of Tarkir block, which both feature heavily in my Greatest MTG Limited Formats article
Each full art card is more beautiful than the last, and the entire collection is just begging to be framed and hung on the wall
[13] Hidden moves, which were used to navigate terrain in past games, have been replaced by specialized Pokmon that can be summoned at will