bool isNonNull = !Equals(null, Global.CurrentProfile.AvoidMobs) &&
                              Global.CurrentProfile.AvoidMobs.Count > 0;

for (int i = weights.Count - 1; i >= 0; i--)
{
    if (isNonNull)
    {
        if (Global.CurrentProfile.AvoidMobs.Contains(weights[i].Unit.Entry))
            weights.RemoveAt(i);
    }
    if (weights.Count - i == MaxTargets)
        break;
    TargetList.Add(weights[i].Unit);
    GuiList.Add(string.Format("{0} Distance:{1} {2}", weights[i].Unit.Name, Math.Floor(weights[i].Unit.Distance), Environment.NewLine));
}