If you have pokésav then you can do it yourself :P
you can download legit.exe from the project pokemon website and then follow the isntructions from there
I think he has the Michina one on his thread. I have two event Arceus. One is the Michina and the other is with a Japanese name. Both are non-redis for me, so you have to find someone else who has them on their thread.
Oh, that's because the event item still hasn't been released. You couldn't use a caught in-game Arceus on VGC because they'd all know that a hacked event item was used to get it.
I think it's at level 46, the level it learned the last move you listed on the moveset. I'm not 100% sure about it's level and I can't check just now. I'm doing the RNG for the adamant Dialga right now.
Black FC: 3053-3432-3029
-Formerly known as PokemanMaster
-9th at 2010 Dallas Regionals
-7th place at 2010 VGC Nationals in Indianapolis/9th place at 2011 VGC Nationals
-14th place at 2010 VGC World Championships in Kona, Hawaii -3rd place at 2011 Dallas VGC Regionals