[@BurningCold]
1: Nope. The story is set in the Aang time period so it's back to the traditional roots (plus I never played x,y, alpha or omega)
2: No legendaries
3: I did think about this a bit and banning them would break the game. Instead I'll probably do something like limit it to one per person, and you cannot start with a pseudo/semi-pseudo. Afterall, those Pokemon are supposed to be more rare and unique so it'd be silly to have 5 people rocking with the rarest of the rare on day 1.