Why does the Oracle look different?
Rama-Kandra made a deal with the Merovingian to smuggle Sati into the Matrix before she could be deleted. The consequence of this deal is the termination of the Oracle’s original shell, though she believes it is worth it due to Sati’s importance to both worlds. We don’t know exactly what that importance is, or will be. We learn this from Enter The Matrix. For more, see Connections.