You get lucky.
There is no codes for the US version, since it hasn't even been released yet!
No you can't. You can catch zekrom in Pokemon white and reshiram in Pokemon black.
a pokemon black and white verison set of cards
156, bringing the national total to 649.
The evolved form of Snivy is Servine
There is no best route in Pokemon White 2 to find shiny Pokemon, because you have the same chance to find a shiny Pokemon on every route in the game.
Nope, repel is a shiny's worst enemy >:(
If the Shiny Celebi does not work, you cannot get a Zorua. On Pokemon White, this is the only way to get that species.
same way with any other shiny pokemon, luck when walking in tall grass
lillipup
Try it in the global trade system, just search for a Pokemon and see if anyone has shiny, try to trade with them.
It increases the chance of finding shiny pokemon. How much is currently unknown.