How can I improve my yugioh deck?

I have :
1x Blue-Eyes Ultimate Dragon
2x Petit Dragon
1x Spirit Ryu
1x Sonic Bird
1x Lord of D.
1x Paladin of White Dragons
3x Blue Eyes White Dragon
1x Divine Dragon Ragnarok
1x The Dragon Dwelling in the Cave
1x Blue Eyes Shining Dragon
1x Hyozanryu
1x Crawling Dragon
1x Harpie’s Brother
1x Luster Dragon #2
2x Peten the Dark Clown
2x Red-Eyes B. Dragon
1x Koumori Dragon
1x Curse of Dragon
1x Winged Dragon, Guardian of the Fortress #1
1x Mountain
1x White Dragon Ritual
1x Black Pendant
1x The Flute of Summoning Dragon
1x Swords of Revealing Light
1x Twin Swords of Flashing Light – Tryce
1x Field Barrier
1x Monster Reincarnation
1x Soul Exchange
1x Ring of Magnetism
1x Polymerization
1x Terraforming
1x Magic Cylinder
1x Raigeki Break
1x Gift of the Mystical Elf
1x Trap Hole
1x Sakuretsu Armor
1x Armor Break
1x Dust Tornado

well, I think you are trying to run a dragon theme deck. If that is indeed the case, Here is what I would turn your deck into.

Total:46

Monsters:20
3x Blue eyes white dragon
2x Paladin of white dragon
3x luster dragon
2x lord of D.
2x dragon dwelling in the cave
3x spear dragon
3x magna drago
2x Kaiser Glider

Spells:15
3x Stamping Destruction
2x White dragon ritual
2x flute of summoning dragon
2x fissure
2x The dragon’s mirror
1x swords of revealing light
1x Mystical space typhoon
1x heavy storm
1x giant trunade

Traps:11
2x dragon’s rage
3x negate attack
3x threatening roar
1x mirror force
1x torrential tribute
1x the dragon’s bead

Extra Deck:
1x blue eyes ultimate dragon
1x stardust dragon
1x red dragon archfiend
1x black rose dragon
1x goyo guardian
1x ancient fairy dragon
2x iron chain dragon

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