Can't. Ya gotta poketransfer it from diamond, pearl, platinum, heartgold, or soulsilver
you catch a snowrunt at lake acurity in the grass after you get the national dex
You can't find a snowrunt in pokemon black and white.
CAtch a girl snowrunt And use a dawn stone
You can find it in shoal cave during low tide.
You can't catch Glailee, but you can evolve Snowrunt into a Glailee after you purify it.
IN the cave north of mossdeep there is an icy zone during low tide and catch a snowrunt and evolve it
You can find snowrunt on the way to snowpoint city. It can only be found at night.
Mass OUTBREAK
use a fire Pokemon
You cannot catch Hydreigon on Pokemon White.
you can not catch graveler on Pokemon white Sorry:):):):)
You can't catch celebi in pokemon white.