Monsters: 19
3 Mystic Tomato
3 Goldd, Wu-Lord of Dark World
2 Dark Mimic LV3
2 Newdoria
2 Cyber Dragon
2 Sillva, Warlord of Dark World
2 Giant Orc
1 Morphing Jar
1 Breaker the Magical Warrior
1 Sangan

Spells: 14
3 Dark World Dealings
2 Lightning Vortex
2 Dark World Lightning
1 Creature Swap
1 Premature Burial
1 Pot of Avarice
1 Card Destruction
1 Heavy Storm
1 Mystical Space Typhoon
1 Scapegoat

Traps: 07
3 Skill Drain
1 Deck Devastation Virus
1 Torrential Tribute
1 Call of the Haunted
1 Mirror Force

-1 Lightning Vortex
+1 Dark Necrofear

I used to run I deck like this and I've been in games where Necrofear stalled the game long enough for me to get set up when I was topdecking.

Try Prometheus(es). With all the decks you have it should be easy for you to get one.

I would replace the Morphing with something else since you have 3 Skill Drains...it might end up being a dead card. It's happened to me.
I'm not sure what to replace it with though.

Nice deck..9/10

- Creature Swap
+ Card of Safe Return

- Tomato
- Breaker
+2 Sand Moth

-2 newdoria
+2 Kahkki

-1 Vortex
+1 DWL

I love Dark Drain. Only reason I don't play it anymore is because it depletes my hand too fast.