Cheats for emerald: 45213645854254165987563221544587654821543546123445677891015420131022102112001201010210210210210210210210210210121021021021021021 oHoIoJoK
you can find all Pokemon cheats at cheatswebster.yolasite.com
Except by using cheats, you can NOT catch Celebi in Pokemon Emerald.
i don't have emerald but the valuable Pokemon is rayquaza
yes if you have cheats
Look down in the sources for the cheats.
I do NOT know! Somebody else will answer this.
you have to have a game link cable and another Pokemon emerald