>>48383696More than half of the starters have exactly 530 BST.
Starters by BST (not including Megas)
535 - Swampert
534 - Charizard, Typhlosion, Infernape, Delphox
530 - Blastoise, Feraligatr, Sceptile, Blaziken, Empoleon, Chesnaught, Greninja, Decidueye, Incineroar, Primarina, Rilaboom, Cinderace, Inteleon
528 - Serperior, Emboar, Samurott
525 - Venusaur, Meganium, Torterra