CardDeck.cs

using System;
using System.Collections.Generic;
using System.Linq;

public class CardDeck
{
    private List<Card> Cards { get; set; }

    public CardDeck()
    {
        CreateDeck();
        Shuffle();
    }

    //Shuffle based on Fisher-Yates Algorithm
    public void Shuffle()
    {
        Random rng = new Random();
        int length = Cards.Count;
        while (length > 1)
        {
            length--;
            int k = rng.Next(length + 1);
            Card indexedCard = Cards[k];
            Card endCard = Cards[length];
            //swap cards
            Cards[k] = endCard;
            Cards[length] = indexedCard;
        }
    }

    private void CreateDeck()
    {
        Cards = new List<Card>();
        for (int i = 1; i <= 6; i++)
        {
            if (i <= 1) //Specialty Cards
            {
                Cards.Add(new Card() { Color = CandyColor.Cupcake, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.IceCream, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Chocolate, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Lollipop, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.IcePop, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Star, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Gingerbread, Amount = 1 });
            }
            if (i <= 3)
            {
                Cards.Add(new Card() { Color = CandyColor.Green, Amount = 2 });
                Cards.Add(new Card() { Color = CandyColor.Blue, Amount = 2 });
            }
            if (i <= 4)
            {
                Cards.Add(new Card() { Color = CandyColor.Red, Amount = 2 });
                Cards.Add(new Card() { Color = CandyColor.Yellow, Amount = 2 });
                Cards.Add(new Card() { Color = CandyColor.Orange, Amount = 2 });
                Cards.Add(new Card() { Color = CandyColor.Purple, Amount = 2 });
            }
            if (i <= 5)
            {
                Cards.Add(new Card() { Color = CandyColor.Yellow, Amount = 1 });
            }
            if (i <= 6)
            {
                Cards.Add(new Card() { Color = CandyColor.Red, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Orange, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Blue, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Green, Amount = 1 });
                Cards.Add(new Card() { Color = CandyColor.Purple, Amount = 1 });
            }

        }
    }

    public Card Draw()
    {
        if (!Cards.Any())
        {
            CreateDeck();
            Shuffle();
        }
        var card = Cards.First();
        Cards.RemoveAt(0);
        return card;
    }
}