You have to trade a Deoxys from another Pokemon game to get it on your copy of SoulSilver.
You can't catch Deoxys in soul silver
no you cant =( but you can get it from another game
You can't catch Deoxys in Silver..
Deoxys is not obtainable in SoulSilver, as it was given away on Ruby/Sapphire/Emerald.
To get deoxys you have to migrate for emerald or trade.
you cant get deoxys in soul silver sorry
You can not. There is no possible way of getting a Deoxy's in Pokemon Soul Silver.
I wish you could because i really wanna catch celebi, mew, deoxys, and jarachi and arcues
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Deoxys
There are only a few you can catch but the rest you have to get from trades with other games.