Database: card_games (difficulty: simple)
Question: What's the French name of the set of cards with "Celestial Messenger" is in?
SQL: SELECT T2.translation FROM cards AS T1 INNER JOIN set_translations AS T2 ON T2.setCode = T1.setCode WHERE T1.name = 'Celestial Messenger' AND T2.language = 'French' AND T2.translation IS NOT NULL