На будущее, используй тэги для такого.
Код:
public void onStart() {
//Should only work on PC?
if (getEffected() instanceof L2PcInstance)
{
getEffected().setTarget(getEffector());
MyTargetSelected my = new MyTargetSelected(getEffector().getObjectId(), 0);
getEffected().sendPacket(my);
}
getEffected().doAttack(getEffector());
}