Like most Pokmon cards, the value of 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 (Sword & Shield)
The one thing that Pokmon excels at, particularly, is advertisement for all of its media and connecting them and making it about collection
Target an opponent with this if theyve only got one or two cards left in their library
That means if you play a 6/6 dragon with some absurd ability, you then have two copies of that dragon until the end of the turn
The ungraded market, however, can be more open to interpretation
Creatures (12) Lands (20) Spells (28) 4 Lightning Bolt 4 Lava Spike 2 Lightning Helix 4 Rift Bolt 4 Searing Blaze 2 Skullcrack 4 Boros Charm 4 Skewer the Critics Sideboard Sweet, free Lurrus