The new turbo pack booster has announced the release date of this booster is unknown for now.You can see the cards from this link:
http://yugioh.wikia.com/wiki/Turbo_Pack%3A_Booster_Eight
For me the only ones that is good is rai-oh, skill drain, upstart goblin and gemini imps
http://yugioh.wikia.com/wiki/Turbo_Pack%3A_Booster_Eight
For me the only ones that is good is rai-oh, skill drain, upstart goblin and gemini imps