Considering that "modify" is just a new batching term and we've only got one set's worth of modify payoff cards, it's not a shock that a precon based around this loose "theme" would be half-baked, which Upgrades Unleashed unfortunately is
Based on the latest market prices tracked on TCG Stacked, Virizion V is worth about $1.85 USD
If you (and players solving with you) deduce how all 13 puzzles are connected like the master sleuth Alquist Proft, you may even discover there's something more hidden underneath it all
If you see spots glow on the card, thats a bad sign of possible re-coloring or scratch filler
If you are coming from the English side of the hobby, the High Class Pack label is your signal that this is a collector-focused product rather than a standard expansion, packed with a denser concentration of premium cards than a typical set
It really depends on what you consider unique. For this article, lets define a unique Pokmon card as one that is visually distinct meaning it has different artwork, holo patterns, or card layouts