You can't catch Shaymin without cheats or a Nintendo event.
You cannot catch shaymin on platinum without cheats unless u get the event xcard from toys r us
im pretty sure you can't catch it without cheats, its liek shaymin or acreus
I think they sent out Oak's Letter during a Wi-Fi event which is needed to catch Shaymin. That's the only way possible to get Shaymin without any cheats.
You can't get Shaymin in Heartgold and/or Soulsilver without cheats.
It is impossible in the conditions you specified.
You can't.
No
Girantina, Heatran, Dialga, Mespirit, Azelf, Uxie, Shaymin, Cresselia and probably Darkrai.
no you because the event of shaymin is over now
you cant because shaymin, darkari, and arceus are all cheats unless you receive a trade
You can't get him without events or cheats. For Darkrai, Manaphy and Arceus you need a event to capture him.