As one popular simulator notes, "The simulator tries to match the chances of getting certain cards to real-life packs, but it can't promise they will be exactly the same." Think of it as a highly educated guessone that gets you incredibly close to the real thing but can't account for every variable in a physical print run
TCG is one of the most profitable card games around, generating almost $10 billion and counting since its inception
The text reveals Mew's name, HP, and attack details, and the unique artwork has deep symbolic meaning related to birth, death, enthronement, and succession
From Burnished Hart to Oblivion Stone to Nevinyrral's Disk to Skullclamp and all equipment to Sensei's Divining Top there are tons of ways to build around and abuse this
Ever since, many sets have included a reprint or three and used those cards to sell the set (or, in the case of Planar Chaos , used a side-print of Wrath of God as Damnation to sell the set)