in a typical chaotic booster back there is 9 cards. in a chaotic premium pack there is 2 boosters each containing 6 cards and they are super and ultra rare only. in the chaotic OP tournament pack there are 3 cards.
you get ten and if you are a member black belt you can go to the fire dojo and sensei gives you a booster deck which is is also ten different much more powerful card's the way my name is solersystem1...