First of all, not a smart question. Second, no it does not. There is no such thing as a legendary Pokemon that evolves.
you can find regiice near the dewford town,surf northwest.
come and see
the other answer is a lie!
Firebug.
route 105 in the ruins.
in a Nintendo event
OK the rare Pokemon are groundon, i think there's the 3 regies regirock,regiice,registeel. And you can also get this strong Pokemon named milotic. But you need to evolve it from feebas though. hoped this helped!:)
ewan q
you have to migrate from Pokemon emarld
You can get Kyogre,Regirock,Registeel,and Regiice.
You have to trade from R/S/E.
i have them