Sanctioned tournaments: Expect authentic cards
Similar to why 1st Ed base is considered the 1st set, as its true for English, but obviously there were prior Japanese releases

Advanced Search Sets Random Syntax Alien Invasion Apostle of Invasion Begin the Invasion Dreadhorde Invasion Invasion Plans Invasion Reinforcements Invasion Submersible Invasion Tactics Invasion of Alara Invasion of Amonkhet Invasion of Arcavios Invasion of Azgol Invasion of Belenon Invasion of Dominaria Invasion of Eldraine Invasion of Ergamon Invasion of Fiora Invasion of Gobakhan Invasion of Ikoria Invasion of Innistrad Invasion of Ixalan Invasion of Kaladesh Invasion of Kaldheim Invasion of Kamigawa Invasion of Karsus Invasion of Kylem Invasion of Lorwyn Invasion of Mercadia Invasion of Moag Invasion of Muraganda Invasion of New Capenna Invasion of New Phyrexia Invasion of Pyrulea Invasion of Ravnica Invasion of Regatha Invasion of Segovia Invasion of Shandalar Invasion of Tarkir Invasion of Theros Invasion of Tolvada Invasion of Ulgrotha Invasion of Vryn Invasion of Xerex Invasion of Zendikar Invasion of the Giants Realmbreaker, the Invasion Tree Rona, Herald of Invasion Ruthless Invasion Secret Invasion Skin Invasion Skittering Invasion Toll of the Invasion Tyranid Invasion

It's that perfect blend of old with new, catering to everyone while offering a linear, straightforward, and traditional Pokmon experience, making this one the ultimate beginner ROM
You dont need the SAR to play competitively
Its a nice mana sink later, sure, but what about earlier