using System.Threading;

for (short i = 1; i <= 2000; i++)
{
    var customHeader = new Header(Destination.Server, i);
    var packet = new Packet(customHeader, Client);
    packet.WriteInt(5);
    packet.WriteInt(1);
    Send(packet);
    Log($"Sent packet with header: {i}");
    Thread.Sleep(300);
}