Forum:Need Help w/ Deck

I'm somewhere around beginner level, so I don't have all the best card choices. I'd appreciate any help with improving the deck.

My Deck is as follows:

Monster Cards:

Armed Dragon LV3
 * Armed Dragon LV5
 * Armed Dragon LV7
 * Armed Dragon LV10

Dark Necrofear
 * Dragon Seeker
 * Spear Dragon
 * Ultimate Tyranno

Raviel, Lord of Phantasms
 * Harpie's Brother
 * The Tricky                        x2
 * Dark Magician

Hieracosphinx
 * Great Maju Garzett
 * Harpie Lady I
 * Archfiend Soldier

Cyber Falcon
 * King of Yamimakai
 * Electric Lizard
 * Double Coston                  x2

Spell Cards:

De-Spell
 * Dian Keto the Cure Master

Confiscation
 * Monster Reborn

Level Up!
 * Dark Factory of Mass Production

Creature Swap
 * Yami

Lucky Axe
 * Rising Air Current

Trap Cards:
 * Gorgon's Eye

Meteorain
 * Call of the Haunted

Forced Back
 * Life Equalizer

Still two cards short of the minimum forty, so I appreciate any help, thanks!