Explore is one of his favorite designs ever, and this is not only the same card, but it avoids the complexities of playing extra lands
Ancient Copper Dragon Admittedly Ive never actually seen Ancient Copper Dragon in play
On the top end, Xenk, Paladin Unbroken is the most expensive card from this Secret Lair at $47
Technomancer is the workhorse: it enters, mills three, and returns any number of artifact creatures with total mana value six or less straight to the battlefield, so one card can rebuild half a board
The Charizard holographic card, in particular, has become a holy grail for collectors, often selling for tens of thousands of dollars in perfect condition
SE Secret Rare Shooting Star X TRAP If a "Stardust" monster is on the field: Target 1 card on the field