Yu-Gi-Oh! Wiki
Yu-Gi-Oh! Wiki
Having trouble with my extra deck

Any Help {{Decklist| Synchron |total m = 15 |Extra Deck= Quasar x1 Stardust Sifr Divine x1 Majestic Star D. x1 SSD x1 Dragon Knight Draco-E x1 Stardust Warrior X1 Stardust Dragon x2 Road Warrior x1 Nitro Warrior x1 Junk Archer x1 Tg hyper l. x2 Formula x2

Any advice is welcome especially regarding whether I should run double formula and whether I should replace one of my lvl 12s for another monster