look for grass that wiggles on any route. if you go into the grass a rare pokemon will appear. most of them are audinos though.
Yes but it is a rare pokemon on the route just after floccesy town.
you cannot catch wild rare Pokemon in xd but you can catch the trainers rare Pokemon, if they are "inpure"
Catch Deino at Victory Road (fairly rare) and level it up to 64.
the evoltion pokemon evee is 2,6 and is very rare to catch on pokemon white,black,white2,black2.
You get them in route 6 in rumbling grasses at night. But they are very rare.
You Catch it.
You haven't made it far then. You can catch old pokemon. Yes, you can catch Riolu in the challenger's cave after you beat the elite 4. He's rare though.
you cannot catch keldeo. it was a limited time mystery gift wifi event. you can try go on a trade board offering a rare pokemon to try get it
to catch zapdos in pokemon black you have to have every legendary pokemon
you can catch sudowoodo and smeargle
you cant catch it it is rare
You catch them. Or trade for them.