I revamped my Dark World deck.  I think it looks fine how I remade it.

Monsters:
2 Beiige, Vanguard of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:4
Atk: 1600
Def: 1300
If this card is discarded from the hand to the Graveyard by a card effect, Special Summon this card to your side of the field.

2 Broww, Huntsman of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:3
Atk: 1400
Def: 800
If this card is discarded from the hand to the Graveyard by a card effect, draw 1 card from your Deck. If this card is discarded from the hand to the Graveyard by your opponent’s card effect, draw 1 more card from your Deck.

3 Brron, Mad King of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:4
Atk: 1800
Def: 400
When this card inflicts Battle Damage to your opponent’s Life Points, you can select 1 card in your hand and discard it to the Graveyard.
2 Goldd, Wu-Lord of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:5
Atk: 2300
Def: 1400
If this card is discarded from the hand to the Graveyard by a card effect, Special Summon it. If this card is discarded from the hand to the Graveyard by your opponent’s card effect, you can select up to 2 cards your opponent controls and destroy them.

2 Gren, Tactician of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:2
Atk: 300
Def: 500
If this card is discarded from the hand to the Graveyard by a card effect, destroy 1 Spell or Trap Card on the field.

2 Kahkki, Guerilla of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:2
Atk: 300
Def: 500
If this card is discarded from the hand to the Graveyard by a card effect, destroy 1 monster on the field.

2 Reign-Beaux, Overlord of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:7
Atk: 2500
Def: 1800
If this card is discarded from the hand to the Graveyard by an opponent’s card effect, Special Summon this card. If this card is Special Summoned this way, destroy all monsters OR all Spell and Trap Cards your opponent controls.

3 Renge, Gatekeeper of Dark World
Attrib: Dark
Type: Fiend
Level:4
Atk: 100
Def: 2100
His renowned Olympic physique has made him famous with the populace of Dark World. They call him “Iron Wall Renge” because no one can break through his incredible defense.

2 Scarr, Scout of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:2
Atk: 500
Def: 500
When this card is destroyed by battle and sent to the Graveyard, add 1 Level 4 or lower monster that includes “Dark World” in its card name from your Deck to your hand.

2 Sillva, Warlord of Dark World
Attrib: Dark
Type: Fiend/Effect
Level:5
Atk: 2300
Def: 1400
If this card is discarded from the hand to the Graveyard by a card effect, Special Summon it. If this card is discarded from the hand to the Graveyard by your opponent’s card effect, your opponent selects 2 cards in their hand and returns them to the bottom of their Deck in any order.

Spells:
3 Dark World Dealings
Group: Spell Card
Type: Spell
Each player draws 1 card. Then each player discards 1 card.

2 Dark World Grimoire
Group: Spell Card
Type: Spell
Icon:Continuous
During your End Phase, if you discard a Monster Card(s) to the Graveyard because you had more than 6 cards in your hand, you can Special Summon 1 of those monsters.

3 Dark World Lightning
Group: Spell Card
Type: Spell
Select 1 face-down card on the field and destroy it, and after that, select 1 card from your hand and discard it.

3 Gateway to Dark World
Group: Spell Card
Type: Spell
Icon:Quick-Play
If you activate this card, you cannot Normal Summon, Flip Summon or Special Summon during the turn this card is activated. Special Summon from your Graveyard 1 monster that includes “Dark World” in its card name.

2 The Cheerful Coffin
Group: Spell Card
Type: Spell
You can discard up to three Monster Cards from your hand to the Graveyard.

1 Card Destruction
Group: Spell Card
Type: Spell
You and your opponent discard your entire hands and draw the same number of cards from your respective Decks that you discarded.

Traps:
2 Dark Bribe
Group: Trap Card
Type: Trap
Icon:Counter
Negate the activation of and effect of an opponent’s Spell or Trap Card and destroy it. Your opponent draws 1 card.

1 Mirror Force
Group: Trap Card
Type: Trap
Activate only when an opponent’s monster declares an attack. Destroy all Attack Position monsters your opponent controls.

2 Dark Deal
Group: Trap Card
Type: Trap
Activate only by paying 1000 Life Points when your opponent activates a Normal Spell Card. The effect of the Normal Spell Card that your opponent activated at that time becomes “Your opponent discards 1 random card from their hand”.

Side:
2 Swords of Concealing Light
Group: Spell Card
Type: Spell
Icon:Continuous
When you activate this card, change all monsters on your opponent’s side of the field to face-down Defense Position. As long as this card remains face-up on the field, monsters on your opponent’s side of the field cannot change their Battle Positions. Destroy this card during your 2nd Standby Phase after activation.

3 Tragedy
Group: Trap Card
Type: Trap
Activate only when a monster on your opponent’s side of the field in face-up Attack Position is changed to face-up Defense Position. Destroy all Defense Position monsters on your opponent’s side of the field.

2 Gravitic Orb
Attrib: Dark
Type: Fiend/Effect
Level:3
Atk: 1100
Def: 700
FLIP: Change the Battle Position of all face-up monsters your opponent controls.

1 Morphing Jar
Attrib: Earth
Type: Rock/Effect
Level:2
Atk: 700
Def: 600
FLIP: Both players discard all cards in their hands. Then both players draw 5 cards.
3 Zure, Knight of Dark World
Attrib: Dark
Type: Fiend
Level:4
Atk: 1800
Def: 1500
The name of this illustrious knight is known by all residents of Dark World. He never oppresses the commoners.

1 Swords of Revealing Light
Group: Spell Card
Type: Spell
Flip all monsters your opponent controls face-up. This card remains on the field for 3 of your opponent’s turns. While this card remains on the field, monsters your opponent controls cannot declare an attack.