My 2 Decks for 10/9 Regionals

Well, it's that time again! Time to prepare for an upcoming regional. And this time I'm trying to decide between my Blackwings or my Diva-Spy deck...but I can't decide on which.
First up: DrainWings

Monsters: 19

BW Shura x3
BW Sirocco x3
BW Kalut x3
BW Bora x2
BW Vayu x2
BW Blizzard x2
BW Gale
Thunder King Rai-Oh x2
Dark Armed Dragon

Spells: 9

Black Whirlwind
Book of Moon x2
Mystical Space Typhoon x2
Giant Trunade
Allure of Darkness
Dark Hole
Monster Reborn

Traps: 12

Skill Drain x2
Bottomless Trap Hole x2
Icarus Attack x3
Trap Stun x2
Torrential Tribute
Delta Crow
Royal Oppression


Next up: Diva-Spy
Monsters: 17

Deep Sea Diva x3
Reese the Ice Mistress
Gravekeeper's Spy x3
Gravekeeper's Descendant x2
Gravekeeper's Assailant x2
Gravekeeper's Commandant x3
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: 12

Dimensional Prison x2
Bottomless Trap Hole x2

Compulsory Evacuation Device x2
Torrential Tribute
Solemn Judgment
Dark Bribe

Seven Tools of the Bandit
Deck Devastation Virus
Royal Oppression