Diva-Spy for Regionals

Well, I got a Regional coming up on the 5th and my Diva-Spy deck is the top contender for action on that day. This is what I'm going with...so far.

Diva-Spy

Monsters: 19

Deep Sea Diva x3
Reese the Ice Mistress
Gravekeeper's Spy x3
Gravekeeper's Descendant x2
Gravekeeper's Assailant x3
Gravekeeper's Commandant x3
Sangan
Malefic Stardust Dragon
Thunder King Rai-Oh x2

Spells: 11

Necrovalley x3
Gravekeeper's Stele x2
Royal Tribute x2
Book of Moon x2
Mystical Space Typhoon
Giant Trunade

Traps: 10

Dimensional Prison x2
Bottomless Trap Hole x2
Torrential Tribute
Solemn Judgment
Dark Bribe x2
Deck Devastation Virus
Royal Oppression