void wizardOzWindow_CardFinished(object sender, CardFinishedEventArgs e)
        {
            Debug.Assert(stateManager.State == GameState.AddArmy);
            CardHolder cardHolder = stateManager.ActivePlayerId == 1 ? cardHolder1 : cardHolder2;

            cardHolder.MatchFinished(e.IsAccepted);

            if (e.IsAccepted)
            {
                stateManager.AddNewArmyByCard();
                refreshViews();
                soundPool.Play(GameSound.Success);
            }
            else
            {
                wizardOzWindow.RequestCard();
                soundPool.Play(GameSound.Error);
            }
        }
        void wizardOzWindow_CardFinished(object sender, CardFinishedEventArgs e)
        {
            Debug.Assert(stateManager.State == GameState.AddArmy);
            CardHolder cardHolder = stateManager.ActivePlayerId == 1 ? cardHolder1 : cardHolder2;
            cardHolder.MatchFinished(e.IsAccepted);

            if (e.IsAccepted)
            {
                stateManager.AddNewArmyByCard();
                refreshViews();
                soundPool.Play(GameSound.Success);
            }
            else
            {
                wizardOzWindow.RequestCard();
                soundPool.Play(GameSound.Error);
            }
        }