While it hurt their wallet, it's definitely worth the experience
A lot of the information ahead has been gathered through the efforts of many over time, and I have tried to mention them where possible (and have remembered)
Also, there seems to exist at least one giant version of each of the Pokemon Day stamped cards, though I believe they were trashed after the event, as they were used as table covers Here are some sources: pokemontimes.it Pokmon Day 2007 Pokmon Times, cattura tutte le novit

Animist's Might Archon of Emeria Avid Reclaimer Beneath the Sands Bloodbriar Bonds of Mortality Boundless Realms Cascading Cataracts Elemental Bond Elemental Uprising Elvish Mystic Eyeblight Massacre Go Forth Granitic Titan Grove Rumbler Kozilek's Channeler Lead by Example Leyline Immersion Nissa's Chosen Nissa's Defeat Nissa's Renewal Nissa's Revelation Rampaging Baloths Reclaiming Vines Roiling Regrowth Seek the Horizon Shadow of the Grave Sidewinder Naga Snare Thopter Sol Ring Splendid Reclamation Swell of Growth Sylvan Scrying Tanglesap Terrain Elemental Terramorphic Expanse Ulvenwald Abomination Ulvenwald Captive Vine Snare Wall of Roots Wild Instincts Woodland Stream World Queller Zendikar Incarnate Zendikar's Roil
4 XY: Steam Siege - Battle Heart Tin (Pikachu-EX)
Getting the most out of Meddling Mage is hard, requiring reading the opponent, reading the opponent's likely deck list, and evaluating how the game is going to go