pokemon rockruff card 073/145 - (Reverse Holo) Weakness Grass ×2 Retreat Cost Rockruff Holographic Pokémon TCG Pocket

Its powerful because a 2/2 for a single mana is well above rate

Some cards and spells have the wording that some permanents lose all abilities. Often nicknamed a Humility effect based on the first card to have this wording, creatures or permanents lose all abilities that are printed on the card, effectively turning them all vanilla. Whilst most of these effects only affect creatures, there are other examples affecting cards in different ways

Although it was never confirmed, these E ITION markings of the Base Ghost/Phantom Pikachu might have been added during the printing process as indication, so the 1st edition stamps would be properly aligned (which kinda failed in most cases)

You can also see the main features for each one

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 (Fusion Strike)