Ok, i finally came up with a deck to build on. a Dark Deck. Nickname: Dark Devastation. Not really based on Dark World, because that will be a whole seperate deck that im building. but i still need a tips.

Monsters (20):

1 Demise
1 Jinzo
1 Dark Ruler
2 Goldd
1 Breaker
3 Mystic Tomatoes
2 Pitch Black Warwolf
1 Mataza
2 Spirit Reaper
1 Magician of Faiths
1 Sangan
3 Giant Orcs
1 Tsukuyomi

Spells (13):

2 Mystic Plasma Zone
2 Nobleman of Crossouts
1 Axe of Despairs
1 End of the World
1 Swords of Revealing Light
1 MST
1 Heavy Storm
1 Lightning Vortex
1 Snatch Steal
1 Premature Burial
1 Tribute to the Doomed

Traps (7):

1 Waboku
1 Deck Devastation Virus
1 Bottomless Trap Holes
1 Sakuretsu Armor
1 Mirror Force
1 Call of the Haunted
1 Torrential Tribute

Any Suggestions? Combos i should put in? anything is welcome. this is just a start.