You might as well catch all the legendaries...
Heart Gold-Raikou, Entei, Suicune, Mewtwo, Latias, Articuno, Zapdos, Moltres, Kyogre, Rayquaza ( if you have red and blue orb from mr pokemon), Dialga/Palkia/Giratina (if you have the event arceus and go to the ruins of alph).
Soul Silver-Raikou, Entei, Suicune, Mewtwo, Latios, Articuno, Zapdos, Moltres, Groudon, Rayquaza … Read more