Using plugin and 3ds
Search address which is stored warp year by the message after entering the wormhole
In my ultra sun,this address is 0x32DE30E0 fixed
Using Citra+GDB,
Set write access break point at the address found step1,then enter wormhole
2 line above the break line,you will find this year was loaded from R4 + 0x04
In my environment,break at 0x00385354 and R4 is 0x32DE30E0
DURING playing mini game,
set write access break point at the address R4+0x04 found step2(0x32DE30E4),and enter the wormhole
In my environment,break at 0x006F3748
If you modify R5 of the code 0x006F3748,you can change the wormhole year
If you modify R1 of the code 0x006F3754,you can change the wormhole color
0:While(UltraBeast),1:Red,2:Blue,3:Yellow,4:Green
If you modify R0 of the code 0x006F3760,you can change the wormhole rarity
0: Normal,1: SingleRing ,2: DoubleRing,3: DoubleAuraRing