public void SelectCard()
{
    switch (externalVariable)
    {
        case 1:
            UnityEngine.Debug.Log("You win a point!");
            Application.LoadLevel("Mini Game 1");
            break;

        case 2:
            UnityEngine.Debug.Log("You lose a life!!!");
            Application.LoadLevel("Mini Game 1");
            break;

        case 3:
            UnityEngine.Debug.Log("You lose a life!!!");
            Application.LoadLevel("Mini Game 1");
            break;

        case 4:
            UnityEngine.Debug.Log("You lose a life!!!");
            Application.LoadLevel("Mini Game 1");
            break;

        case 5:
            UnityEngine.Debug.Log("You lose a life!!!");
            Application.LoadLevel("Mini Game 1");
            break;
    }
}

externalVariable= externalObject.GetComponent<MiniGame1RightCard>().rightCard;
UnityEngine.Debug.Log("The right card is card number: " + externalVariable);