Those looking to bling out their deck prefer the black-bordered version of the card most of the time, which can drive up the price
The flashback cost is weirdly expensive, but a nice free bonus on whats already a strong 2-drop
It doesn't copy whether the creature is tapped or untapped, whether it has any counters on it or Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on
Many players want their basic lands to match, and because Secret Lair drops are limited to 10 per person, if you wanted to play a deck that has a bunch of basic lands, you'll probably need to pick up additional copies of the Secret Lair snow-covered basics to complete your deck
All hail budget reanimation
Many collectors and players are curious about the history, rarity, and value behind the strongest Pokemon card and other legendary cards in the Pokemon Trading Card Game