"chestCycle": {
        "upcoming": [
            "silver",
            "silver",
            "gold",
            "silver",
            "silver",
            "silver",
            "silver",
            "gold",
            "silver"
        ],

 self.icons = {
        "silver": "Серебрянный сундук",
        "gold": "Золотой сундук",
        "superMagical": "Супер магический сундук",
        "magical": "Магический сундук",
        "legendary": "Легендарный сундук",
        "epic": "Эпический сундук",
        "giant": "Гиганский сундук",
    }

 player = await client.get_player(text)
soobs = f"След сундуки: {self.icons[player.chestCycle.upcoming]}"
print(soobs)

 ", ".join( self.icons[x] for x in player["chestCycle"]["upcoming"] )