You can't. You have to migrate from LeafGreen or FireRed.
articuno, zapdos, moltres, suicune, entei, raioku, and mewtwo
Raioku and Suicine are easy. Just have stylus rechrgaing Pokemon ready. Entei took a couple days to beat though.
Its not Suicune,Entei,and Raikou its Moltres,Zapdos,and Aritcuno.
you can find them in Pokemon leaf green /fire red after you beat the elite 4 and the champion Charmander - Suicune Squirtle - Raikou Bulbasaur - Entei how do you find them?
Entei, Suicune, and Raikou are not available in Pokemon Emerald, Ruby or Sapphire. They can be brought into the game by trading.
Entei Raikou
Houndour, Houndoom, Lillipup, Herdier, Stoutland. Legends: Entei, Suicune, and Raikou. Find them in Pokemon Platinum, Black, Heartgold, and Silversoul.
Suicune, Raikou, and Entei
Entei, Raikou, and Suicune are NOT obtainable in Pokemon Platinum.You will either need to catch them in Firered/Leafgreen and migrate them or trade with someone else that has them.
Umm i think there are three: entei, raikou, and suicune. but its probably just suicune
u must get national dex in fire red, leef green or yello and then beat the league and then u will randomly find them around the routes
The Shiny Suicune was a game stop event held before Pokemon black and whiter where releases. You had to get either suicune riakou or entei at the event of your Pokemon Pearl/diamond/platinum/soul silver/ or heart gold version, and then transfer them to your Pokemon black/white version.