No.
Yes.
None. Colosseum does not recognize Emerald games. It can only trade to Ruby or Sapphire.
Only if you trade one from Ruby, Sapphire, or Emerald.
you must have a cable to plug into your wii/gamecube that connects to your gameboy.
You can only trade Pokemon from colosseum to GBA games not gameboy games.
The Coloseum is nearly 2,000 years old.
NO you can not play Pokemon emerald in Coloseum.
You beat the cipher boss then go then go to the basement of the Pokemon center in Phenic City and talk to the person.
You trade the oil can for the gold pan after you trade the saddle for the gold pan. Saddle to gold pan to oil can.
Wrinkle Coloseum is located in west Chucklehuck woods
By trading with coloseum.
In Rome....