If you want to go to mirage island type in these codes as a new game, its alot:
(U) Emerald
(m)
D8BAE4D9 4864DCE5
A86CDBA5 19BA49B3
Anti DMA (Must Be On)
B2809E31 3CEF5320
1C7B3231 B494738C
Trainer Name Code: JIMMY
38412D59 1D6947D9
F8367DD4 EB614F2E
Trainer Gender Code: Boy
040EA2E7 49124483
Trainer ID Code: 65310
90C09836 FFC3258D
Mirage Island Code for this Pokemon:
240896A9 462C5877
Pokemon: Trapinch Dragoon
Box:14 Spot:30
EC5BB28A 1EE77A50
E3D79A2B C66006D6
8486EE0E B1425913
8EB56A02 F918CC3E
EA79AB17 4439B3E5
B69C5F55 4BC64510
73A9E997 51F47A7D
82A4202E 1F526FBE
C4417887 17D840E3
D3647BDE 88FA2871
044D1597 47259301
170EF80F 2C05589A
ACBF6B0B 09F07329
2ABB0053 D15CC064
4D4DCBB4 5C38A46D
3030A3BB B54B7FC9
0D5CF123 EC88637A
3DFD29BD 65C5A485
4E681035 5B6AF43B
4CB0A730 319C4885
it will be in box 14, spot 30
withdraw it and the guy will always see it.
Made it myself