using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string[] deckElements = {"12", "13", "15", "16", "28", "29", "30", "31", "60"};

        var _currentObj = new Dictionary<string,string>

        {

            { "Element", "15" } 

        };

        if (deckElements.Any(_currentObj["Element"].ToString().Contains))

        {

            Console.WriteLine("Element exists");

        }

        else

        {

            Console.WriteLine("Element does not exist");

        }

    }

}