Unity Easy Set Texts Remotely

RemoteText.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;

[RequireComponent(typeof(Text))]
public class RemoteText : MonoBehaviour
{
    private static Dictionary<string,List<RemoteText>> Instances = new Dictionary<string,List<RemoteText>>();
    private static Dictionary<string,Action<string>> Listeners = new Dictionary<string,Action<string>>();
    public string key = "Level";
    private Text text;
    public Text Text => text==null ? text = GetComponent<Text>() : text;
    public void SetText(string t) => Text.text = t;
    private static void SetAll(string key, string t) => Instances[key].ForEach(x=>x.SetText(t));
    private void Awake(){
        if(!Instances.ContainsKey(key)){
            Instances.Add(key,new List<RemoteText>());
        }
        Instances[key].Add(this);
    }
    private void OnDestroy() => Instances[key].Remove(this);
    void Reset() => key = gameObject.name;
    public static Setter Set = new Setter();
    public class Setter
    {
        public string this[string key]
        {
            get => Instances[key].First().Text.text;
            set { 
                if(Listeners.ContainsKey(key)){
                    Listeners[key]?.Invoke(value);
                }
                SetAll(key,value);
            }
        }
    }
    public static Listener Listen = new Listener();
    public class Listener
    {
        public Action<string> this[string key]
        {
            get => Listeners.ContainsKey(key) ? Listeners[key] : Listeners[key] = (s)=>{};
            set => Listeners[key] = value;
        }
    }
}