Wild Pokemon Modifier
94000130 FDFF0000
B21C4D28 00000000
B0000004 00000000
94000130 FEFF0000
00000890 01ED0001
D0000000 00000000
DA000000 00000892
DC000000 00024620
C0000000 0000000B
D7000000 00000000
DC000000 00000006
D2000000 00000000

--EXAMPLE--
1. Press L+R at the inventory screen, then you'll get 493 Masterballs.
2. Set Masterballs' quantity to the Pokemon number you want.
3. Hold L and encounter Pokemon.
i.e. When you want Mew, discard 342 Masterballs. (493-342=151)