public void Shuffle()
{
int firstCard;
int secondCard;
Card tempCard;
for (int card = 0; card < this.Count; card++)
{
firstCard = this.Random.Next(0, this.Count);
secondCard = this.Random.Next(0, this.Count);
tempCard = (Card)this[secondCard].Clone();
Card.Overwrite(this[secondCard], this[firstCard]);
Card.Overwrite(this[firstCard], tempCard);
}
}