Thanks for doing this giveaway!
Through the rest of October the game will be as follows: As you play you'll earn "rating points." As you move up in rating, you will enter into different leagues. Your rewards at the end of the season will depend on the highest league you attained at any point during that season. The initial set of rewards will be as follows:
Bronze League (100+ rating): 1 pack
Silver League (1000+ rating): 2 packs
Gold League (1900+ rating): 5 packs
Diamond League (2800+ rating): 10 packs
Champion League (3700+ rating): 20 packs
Where did you get that information from?
From the official steemmonsters