Forum:Please make my dragon syncrho deck powerful!!!

here are the list of my deck.. suggest some changes to improve my deck! thanks!

Monster cards: masked dragon x 3 decoy dragon element dragon twin headed-behemoth sangan neospacian grand mole magna drago x 2 prime material dragon x 2 Horus the black flame dragon lvl6 x 2 Horus the black flame dragon lvl8 red eyes darkness metal dragon x 3 mirage dragon x 2

Trap cards: the selection solemn judgment x 2 reckless greed x 3 mirror force torrential tribute return from D.D

Spell cards: kaiser colosseum bait doll lightning vortex brain control monster reborn level modulation heavy storm creature swap dragon's mirror reasoning

synchro monsters: dark-end dragon light-end dragon stardust dragon x 2 goyo guardian x 2 red dragon archfiend chain dragon thought Ruler Archfiend colossal Fighter black rose dragon magical android x 3 x-saber urbellum hell bramble five god dragon

thats all!! please help me improve my deck!