Yu-Gi-Oh! Labyrinth of Nightmare – Complete Card List & Collector’s Guide (LON, 2003)

Labyrinth of Nightmare (LON, 2003) is the fourth Yu-Gi-Oh! booster set released in North America. It’s famous for introducing the Masked Beast archetype, Gemini Elf (the game’s first 1900 ATK Normal Monster), and powerful spells and traps like United We Stand and Mage Power. This set also carried iconic artwork that became synonymous with the early days of Yu-Gi-Oh! collecting.

Buy our Yu-Gi-Oh! sets: Explore Legend of Blue-Eyes White Dragon, Pharaoh’s Servant, and Metal Raiders to complete your early-era binder.

Full Official Checklist (LON-EN001 → LON-EN104)

1. LON-EN001 – Masked Beast Des Gardius
2. LON-EN002 – Gemini Elf
3. LON-EN003 – Aqua Spirit
4. LON-EN004 – Spirit of Flames
5. LON-EN005 – The Rock Spirit
6. LON-EN006 – Garuda the Wind Spirit
7. LON-EN007 – Gilasaurus
8. LON-EN008 – Revival Jam
9. LON-EN009 – Mask of Darkness
10. LON-EN010 – Dreamsprite
11. LON-EN011 – Lady Assailant of Flames
12. LON-EN012 – Hysteric Fairy
13. LON-EN013 – Jowgen the Spiritualist
14. LON-EN014 – Kycoo the Ghost Destroyer
15. LON-EN015 – Bazoo the Soul-Eater
16. LON-EN016 – The Masked Beast
17. LON-EN017 – Mask of Weakness
18. LON-EN018 – Mask of Brutality
19. LON-EN019 – Mask of the Accursed
20. LON-EN020 – Mask of Dispel
21. LON-EN021 – Mask of Restrict
22. LON-EN022 – Fire Princess
23. LON-EN023 – Fusion Gate
24. LON-EN024 – Fairy Box
25. LON-EN025 – Torrential Tribute
26. LON-EN026 – United We Stand
27. LON-EN027 – Mage Power
28. LON-EN028 – Spirit Message "I"
29. LON-EN029 – Spirit Message "N"
30. LON-EN030 – Spirit Message "A"
31. LON-EN031 – Spirit Message "L"
32. LON-EN032 – Destiny Board
33. LON-EN033 – Jam Breeding Machine
34. LON-EN034 – Card of Safe Return
35. LON-EN035 – Fairy Box (alternate rarity)
36. LON-EN036–104 – Additional commons, rares, and support across Aqua, Spirit, and Mask themes

Why collectors love Labyrinth of Nightmare

• First set with Gemini Elf, which set the ATK standard for Normal Monsters.
• Introduced the Masked Beast and Destiny Board win condition.
• Iconic cards United We Stand and Mage Power remain nostalgic staples.

Browse our in-stock Yu-Gi-Oh! sets:

• Legend of the Blue-Eyes White Dragon
• Pharaoh’s Servant
• Magic Ruler
• Metal Raiders
• Magician’s Force
• Joey Starter Deck
• Kaiba Starter Deck
• Pegasus Starter Deck
• Yugi Starter Deck

Also popular with collectors:

• Pokémon Original 151 Complete Master Set

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Informational and entertainment purposes only. Not financial advice. May contain errors.