If the HP is Ice, then use HP Ice/Fire Blast/Earth Power/Explosion. If not...Then go with Choice Specs and use Dragon Pulse/Fire Blast OR Flamethrower/Earth Power/Overheat.
He is modest nature so i gotta shove a scarf on him xD. I am thinking about trading him for something like, Vaporeon and a Shiny Weezing. Mainly because i can't find a Bold eevee xD
Good for you! Soft-resetting is fun, I caught a shiny Mewtwo with a great nature before. You should trade it for some good Pokes for competative battling.
OMG, i have always wanted to use a hail team, whats it consist of? and photobucket worked xD Check out my sig, the mamoswine picture is frigging sweet.