Yu-Gi-Oh 5Ds DeckBuilding Help!?

Yeah as you can see the title kinda says it all... Well lemme jsut explain it So i have this big deck (i think around 90~100 cards) (yes im a nerd) Yeah and i got alot of cards but then the only thing that bugs me is how can i shorten it i have (tuners like 8) because i have 10 synchros (Stardust dragon, Red dragon archifiend, Shooting star dragon, Red nova dragon, majestic red and star dragon, Junk warrior, Flamewell Uruquiza or somthing like that,Gaia the force of earth, coolosal fighter.) is 8 tuners enough oh and i got a really good deck that can save my life like (a card that gives me 1000 life points, Mystical space typhoon, C hange of heart mind control brain control, dark hole, mirror force, and e.t.c. alot of cards that can save my life,... So yeah can you guys give me tips i appreciate it :)!