I only have a few, but I know I couldn't find any working before, but these work!

Ruby Master Code
DE00AAFD 2EBD05D0
530823D9 16558191

Sapphire Master Code
DE00AAFD 2EBD05D0
B4564EFE 23F44BF2

USE ONLY ONE OF THESE CODES AT A TIME!!
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Wild Pokemon Modifier:
003 - VENUSAUR
39E924C4 4136A9DD
3542F0A7 7D2E171F

006 - CHARIZARD
39E924C4 4136A9DD
A56395D2 8AF46857

009 - BLASTOISE
39E924C4 4136A9DD
5FD24ABC 1FE3296A

038 - NINETALES
39E924C4 4136A9DD
27B815E0 B8CCC2DA

144 - ARTICUNO
39E924C4 4136A9DD
D7B594AF C1DA18AB

145 - ZAPDOS
39E924C4 4136A9DD
83E25054 9C927E5E

146 - MOLTRES
39E924C4 4136A9DD
F8DEC3CC A014B094

149 - DRAGONITE
39E924C4 4136A9DD
796E6824 2B208DD5

150 - MEWTWO
39E924C4 4136A9DD
4C77BA3F CA4EDCB6

151 - MEW
39E924C4 4136A9DD
B751BDF4 95CEF4CC

243 - RAIKOU
39E924C4 4136A9DD
43FF33D1 F368CDE6

244 - ENTEI
39E924C4 4136A9DD
0C8037A6 BE1D9DB2

245 - SUICUNE
39E924C4 4136A9DD
80755BDB E392B806

249 - LUGIA
39E924C4 4136A9DD
545C676A 51FFDC1C

250 - HO-OH
39E924C4 4136A9DD
437065EF 67DF37EF

251 - CELEBI
39E924C4 4136A9DD
4AEC27E8 A5FF1540