Keep tour deck always with 20 cards. Consistency wins.
Also, i think u have too many Monsters, 11~13 i think is a good number (not including tribute/ritual Monsters)
Have you tried taking out the ritual cards? You need Twister. Maybe take out black pendant? Definitely keep Metalmorph. Do you have any other traps that will disrupt your opponent in anyway? Curse of Aging isnt a bad choice if you have no Mirror Wall. Take away some monsters to make room for some spells. Your monsters are kind of everywhere.