Forum:I need help making this deck

Alright, this is my first time going on here to post a thread, so please go easy on me, haha.

I've been dueling for a few months now(since about March or April), and I have been maining a somewhat custom Dragon's Collide Structure deck til June. I recently found an Xyz Symphony Starter deck, and I decided that I am actually tired of the constant dragons that I have and had to deal with, so I want to start maining this deck. My problem though, is that I believe I have some good cards in the dragon deck I have and I would like to actually mix and swap some cards out from the Xyz deck and add my old cards into the deck. It would be really great if you guys could help me out here, as I am really bad at making decks myself. You will realize that as you read my old dragon decklist.

Also, note that I am not a completely serious duelist; I do not expect to be entering any tournaments or being a complete deck expert with 3 of everything in his deck, ha. I'm just a High school Junior that goes to a school where Yugioh became so randomly popular that we even got a teacher to join in.

First, the Xyz Symphony decklist is this one:

http://yugioh.wikia.com/wiki/Starter_Deck:_Xyz_Symphony

Then, here's the cards that I'm thinking of getting into the deck:

-Number 39: Utopia -Maestroke The Symphony Djinn -Mystic Tomato -Card Trader -MST -Dark Hole -Reasoning -Book of Moon -Photon Wyvern (I've been thinking of swapping Frostosaurus with it but IDK) -Snipe Hunter

The rest of the cards in my old deck are:

-Magical Stone Excavation -Summoner Monk -Reinforced Space -Stealth Bird -Charge of the Light Brigade -Kaiser Sea Horse -Xyz Energy -Darkworld Thorns (don't judge, this monster has legit gotten me out of tight spots when dueling before, and it's always pretty hilarious when summoning) -Horn of the Unicorn -Red-Eyes B. Dragon -Dragon's Rebirth -Darkflare Dragon -Burst Breath -Jain, Lightsworn Paladin -Chaos Zone -Lord of D. -Escape from the Dark Dimension -Kaibaman -Red-Eyes Darkness Metal Dragon -Interdimensional Matter Transporter -Eclipse Wyvern -Xyz Effect -Ryko, Lightsworn Hunter -Lightpulsar Dragon -Call of the Haunted -Red-Eyes B. Chick -Blue-Eyes White Dragon -A Wingbeat of Giant Dragon -Malevolent Nuzzler -Lyla, Lightsworn Sorceress -Herald of Creation -The White Stone of Legend -Burst Stream of Destruction -DDR -Inferno Fire Blast -Monster Gate -The Flute of Summoning Dragon

Also, I don't mind having a side deck, but I prefer not. Thanks, guys.