Rate my Yu-Gi-Oh Deck?

I made up my own Yu-Gi-Oh theme called the "Medieval Ages" Deck(Warrior, Dragon, Spellcaster %26amp; Beast-type), so what do you think I should add and/or take out? Total 40 Cards



Monsters(18):

1x Obnoxious Celtic Guardian

1x Familiar Knight

1x Rare Metal Dragon

1x Marauding Captain

1x Command Knight

1x Dark Blade

1x Gazelle the King of Mythical Beasts

1x Blade Knight

1x Gearfried The Iron Knight

1x Field-Commander Rahz

1x King's Knight

1x Queen's Knight

1x Jack's Knight

1x Swift Gaia the Fierce Knight

1x Freed The Matchless General

1x Dark Magician

1x Gandora the Dragon of Destruction

1x Gilford The Legend



Magic/Spell(15):

1x Brain Control

1x Magical Mallet

1x Flint

1x Monster Reborn

1x Reinforcement of the Army

1x The Warrior Returning Alive

1x Nightmare's Steelcage

1x Shield %26amp; Sword

1x Lightning Blade

1x Sword of Dragon's Soul

1x Riryoku

1x Swords of Revealing Light

1x Mystical Space Typhoon

1x Heavy Storm

1x Shrink



Trap(7):

1x Draining Shield

1x Dimensional Prison

1x Spellbinding Circle

1x Dust Tornado

1x Mask of Weakness

1x Sakuretsu Armor

1x Trap HoleRate my Yu-Gi-Oh Deck?
I would take out GazelleRate my Yu-Gi-Oh Deck?
I think thats too many types of monsters... maybe you should use only two (8.9/10)