Im thinking of cutting a huntsman or 2.

Monster: 18
1x Morphing Jar
3x Gravekeeper's Spy
2x Gravekeeper's Assailant
2x Goldd, Wu-Lord of Dark World
2x Gravekeeper's Spear Soldier
2x Broww, Huntsman of Dark World
1x Breaker the Magical Warrior
2x Sillva, Warlord of Dark World
1x D.D. Warrior Lady
1x Exiled Force
1x Sangan

Spell: 14
1x Dark Hole
1x Heavy Storm
2x Royal Tribute
1x Card Destruction
1x Mystical Space Typhoon
1x Nobleman of Crossout
2x Smashing Ground
1x Terraforming
1x Snatch Steal
3x Necrovalley

Trap: 8
1x Rite of Spirit
2x Dust Tornado
1x Torrential Tribute
3x Sakuretsu Armor
1x Trap Hole

-1 Goldd, Wu-Lord of Dark World
-1 Gravekeeper's Spy
-2 Broww, Huntsman of Dark World
-1 Royal Tribute
-1 Dust Tornado
-1 Sakuretsu Armor
-1 Trap Hole

+1 Gravekeeper's Chief
+1 Gravekeeper's Assailant
+1 Rite of Spirit
+1 Magician's Circle / Deck Devastation Virus
+2 Dark World Lightning
+2 Brron, Mad King of Dark World

Great deck. I love the Dark World / GK idea.