public ChampionInventory(IEnumerable <ChampionDTO> src)
 {
     foreach (var champ in src)
     {
         if (champ.Owned)
         {
             Owned.Add(champ.ChampionId);
         }
         if (champ.FreeToPlay)
         {
             Free.Add(champ.ChampionId);
         }
     }
 }