My favorite solution to this is to come up with fun, never-before-seen combos
Like most Pokmon cards, the value of Vaporeon V 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 (Evolving Skies)
In the last year, this all went out the window
SAW IT COMING Speaking of mana efficiency, 2021 and Kaldheim may have given us the best answer yet to What would make a 1UU counterspell feel exciting? After 15 years of Cancel, few would have expected it sometimes costs 3U instead to be the ideal solution
Blaziken-GX 153/168 - Celestial Storm Holofoil Blaziken-GX 153/168 - Celestial Storm Holofoil The Pokmon Company Discard 2 Fire Energy from this Pokmon
With Zulaport Cutthroat, Blood Artist, or Syr Konrad, the Grim, this is a win condition