public StationCard Buy(int index)
{
if (index >= AuctionHowMuchCanBuy || index < 0 || index >= Auction.Count())
{
return(null);
}
//throw new ArgumentException("Incorrect index");
var card = Auction.ToArray()[index].Value;
Auction.Remove(card.Cost);
FillAuction();
return(card);
}
