public void CardsReshuffled(int howManyToKeep)
{
DeckRegularDict <D> thisCol = _objectList.Skip(_objectList.Count - howManyToKeep + 1).ToRegularDeckDict();
_objectList.ReplaceRange(thisCol); //try this way.
CurrentCard.IsSelected = false;
CurrentCard.Drew = false;
_previousNum = _objectList.Count;
}