| Art | Card Name | Type | Rarity | Effect |
|---|---|---|---|---|
 | Reign-Beaux Overking of Dark World | Monster | Ultra Rare | If discarded: Special Summon this card. If discarded by opponent: add 1 Level 5+ Dark World monster from Deck to hand. |
| Grapha Dragon Lord of Dark World | Monster | Ultra Rare | Special Summon from GY by returning 1 'Dark World' monster you control to hand. If discarded: destroy 1 card opponent controls. | |
| Snoww Unlight of Dark World | Monster | Super Rare | If discarded: add 1 'Dark World' card from your Deck to your hand. | |
| Genta Gateman of Dark World | Monster | Super Rare | Discard this card: add 1 'The Gates of Dark World' from Deck to hand. | |
| Sillva Warlord of Dark World | Monster | Common | If discarded: Special Summon this card. If discarded by opponent: your opponent returns 2 cards from hand to bottom of Deck. | |
| Ceruli Guru of Dark World | Monster | Common | If discarded: Special Summon to opponent's field. If Summoned by 'Dark World' effect: you must discard 1 card. | |
| Dark Corridor | Spell | Secret Rare | Add 1 'Dark World' monster from Deck to hand; then discard 1 card. | |
| The Gates of Dark World | Spell | Common | Fiend monsters gain 300 ATK/DEF. Once per turn: banish 1 Fiend from GY; discard 1 Fiend; then draw 1 card. | |
| Dark World Archives | Spell | Ultra Rare | During your Main Phase: discard 1 'Dark World' monster; then 'Dark World' monsters you control gain ATK equal to the level discarded x 100. | |
| Dark World Accession | Spell | Ultra Rare | Quick-Play Fusion: Discard Fusion Materials from your hand or field to Fusion Summon 1 Fiend Fusion Monster. | |
| Dark World Puppetry | Spell | Super Rare | Target up to 3 cards in GYs; banish them; then discard 1 Fiend monster. | |
| Grapha Dragon Overlord of Dark World | Extra | Ultra Rare | Fusion: When opponent activates monster effect/spell/trap: you can make that effect become 'Your opponent discards 1 card'. |