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you could only get new Pokemon in black and white intill you beet the elite 4
after you beet the game go to undella town and talk to your rival
it is not a cheet just beet all 8 gyms
beet the league,get the national pokedex get full friendship then evolve it one level
use 2 fire types 2 steel types and 1 watter and 1 ground.trust me i beet the game.
beet a gym battle
No, Sensei can still beet you if you dont choose your cards wisely.
go to cerulian city
after u beet the game
potato
you need tough pokemon that can beat him
after u beet all gyms in johto region.