This is what I personally use to determine the value of my slabs (graded cards)
all of them are spread across the color spectrum
It is very old as these things go and I can't really make changes
(We first learned about the $400 price a few months ago, but didn't report on it because we thought it was listed in error.) Check out my report on Pokemon Trading Card Game Classic for hands-on photos and details
Yes, as a reasonably-costed lord, Immerwolf was already worth the price of admission for tribal decks, but now those decks are potentially operating under two distinct transformation rules
For more TCG content, check out the most expensive and rarest cards, best Pokemon cards of all time, best looking Eeveelution cards, and the best packs to buy.