Cards Don't Move Properly.

Unity Engine
1 
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class NewCardScript : MonoBehaviour
{
    private Vector2 mousePos;
    private Vector2 originalCardPosition;
    private SpriteRenderer sprite; // LAYER TEST
    private int sortingOrder; // LAYER TEST

    //
   
   
   
    //
    public enum CardStates
    {
        MOVABLE,
        NOTMOVABLE
       
    }
    public static CardStates currentCardState;
    void Start()
    {
        sprite = GetComponent<SpriteRenderer>(); // LAYER TEST
        // currentCardState = CardStates.MOVABLE; // needed? Remove later? Screws up order?
        originalCardPosition = transform.position; // takes the original position of the card so it can snap back to it
       
    }

    void Update()
    {
        switch (currentCardState)
        {
            case (CardStates.MOVABLE):
                Debug.Log("Movable");
                break;
            case (CardStates.NOTMOVABLE):
                Debug.Log("NotMovable");
                break;
        }
    }
    private void OnMouseOver()
    {
       
        if (currentCardState == CardStates.MOVABLE)
        {
            transform.localScale = new Vector2(0.09f, 0.09f); // makes card a little bigger
            if (Input.GetMouseButton(0) && transform.localScale == new Vector3(0.09f, 0.09f)) // if LMB is held then it will move //
            {
               
                sprite.sortingOrder = 10; // LAYER TEST
                mousePos = Input.mousePosition;/////////////////////////////
                mousePos = Camera.main.ScreenToWorldPoint(mousePos);// basically this whole thing moves the card along with your mouse when you hold down the LMB
                transform.position = mousePos;//////////////////////////////
            }
            else
            {
                transform.position = originalCardPosition; // sets the card back into its original position so it doesn't stick in its mid air spot if you don't leave the border of the card
            }
        }
        else
        {
            transform.localScale = new Vector2(0.07f, 0.07f);
            transform.position = originalCardPosition;
        }
    }
    private void OnMouseExit()
    {
       
        sprite.sortingOrder = 5; // LAYER TEST
        if (currentCardState == CardStates.MOVABLE)
        {
            transform.localScale = new Vector2(0.07f, 0.07f); // when the cursor leaves the card then it shrinks back to normal size
            transform.position = originalCardPosition; // when the cursor leaves it snaps back to its original position (taken in Void Start())
        }
        else
        {
            transform.localScale = new Vector2(0.07f, 0.07f);
            transform.position = originalCardPosition; // sets the card back into its original position so it doesn't stick in its mid air spot if you don't leave the border of the card
        }

    }
    private void OnTriggerEnter2D(Collider2D collision) // This method checks if the card hits the Earth Target (Earth Target is tagged "Finish"), it'll do whats in the if statement
    {
        if (collision.gameObject.tag == "Finish")
        {
            NewAGM.cardPlaysLeftThisTurn = NewAGM.cardPlaysLeftThisTurn - 1;
           
            Destroy(gameObject); // gameObject.SetActive(false); (maybe this??) Could clog system with clones n stuff tho...
            // Do each specific cards effect here (also dmg and heal)??????? Will this mess with cardPlaysLeftThisTurn
            // add if card is this do this much dmg if this do this much blah blah blah

        }

    }
}
2

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