Game_CodeMM/Assets/00_scripts/Events/TurnScripts/Character.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Character : MonoBehaviour
{
    [SerializeField] private int ID;
    [SerializeField] private List<Card> ownedCardList;

    private void Awake()
    {
        TurnManagerEvent.OnSetCardID += SetCardID;
    }

    private void OnDestroy()
    {
        TurnManagerEvent.OnSetCardID -= SetCardID;
    }

    private void SetCardID()
    {
        for (int i = 0; i < ownedCardList.Count; i++)
        {
            ownedCardList[i].SetID(int.Parse($"{ID}{i}"));
        }
    }
}