Add to that the fact they were shipped loose inside gum packs with no protection, and you understand why mint-condition copies are so rare
Without further ado, and with the understanding that Alara Reborn cards are untested enough that they may not yet have found their proper place on the list, I present the Top 50 Gold Cards of All Time, starting with several Honorable Mentions
Furthermore, a new variant of the deck that uses Iron Thorns has become the most popular version of the deck as players prepare for a slower format
For example, decks led by owyn, Shieldmaiden thrives on a high count of Human creatures to maximize her token generation and card draw abilities
Note that you can reduce the cost of Conflux, or other Five Color cards as well
It's impossible to make a fair comparison across formats