Roll for the next playthrough
Last digit decides your nation:
1,2 - fire
3,4 - water
5,6 - earth
7,8 - air
9 - you're the avatar, but it's a nuzlocke
0 - you are benderless
Replace fairy with bug for gens without fairy

Optional roll, Second to last digit:
Roll for the set of games you get to choose from
1- RBY, FRLG
2- GSC
3- RSE
4- DPPt
5- BW, BW2
6- XY
7- SM, USUM
8- Colloseum, XD
9- HGSS
0- ORAS