Lets assume the opponent has 20 life
Generally, you will receive the same cards from the same opponent
The mystery cards are usually 25 random common cards and 1 rare card, offering very little value
While supplies last, Happy Meals ordered through the McDonald's mobile app will feature special Pokemon boxes that contain a promotional Dragon Discovery booster pack, a poster, and a sheet of stickers
All of these work, however, the less random and more "unfair" cards should be less frequent and at higher rarities
You bought into Thopter Spy Network and funneled your entire Swiss bank savings into it, and now you feel like an evil genius because you just unloaded your four-hundredth copy for $3 after you bought in at $1