The disdain for the Reserved List, WOTCs decades-old promise not to reprint a specific selection of classic cards, has been palpable for a long time now, with former WOTC employee Bill Stark even recently tweeting that it cant be abolished for legal reasons that would bankrupt the game. Because the 30th Anniversary Edition recreates (most of) Magics very first set, it contains plenty of reserved list reprints
PCL runs Organized Play in Japan
Blight Mamba Blight Mamba can easily regenerate using its activated ability if an opponent destroys it, so despite having no opposable thumbs, is great to wield equipment
It is also quite easy to play around our hand limit with cards like Spellbook or Reliquary Tower
Three cards are remixed versions of older Pikachu cards with updated art and abilities scaled to current standard play
"I think that some of the most popular decks that were really hyped up, at least for American players, were Blastoise -- which I felt was a little too all-in -- Manectric/Garbodor, and Seismitoad/Crobat