Emperor of Darkness Structure Deck é o 32º Structure Deck lançado no TCG, sucedendo Master of Pendulum Structure Deck. Ele contém novos suportes e reprints do Arquétipo Monarch, além de outros cards/Arquétipos secundários.Ao todo, têm-se 42 cards incluídos, sendo destes:
1 Token;
2 Ultra Rares;
3 Super Rares;
36 Commons.
Além disso, o set inclui:
1 Guia para Iniciantes;
1 Tapete de Duelo (em papel).
Data de Lançamento: 28 de Janeiro de 2016.
Legenda: C - Common, SR - Super Rare, UR - Ultra Rare.
| SET ID | NOME DO CARD | RARIDADE | CATEGORIA |
| SR01-ENTKN | Token | C | Token Monster |
| SR01-EN000 | Ehther the Heavenly Monarch | UR | Effect Monster |
| SR01-EN001 | Erebus the Underworld Monarch | UR | Effect Monster |
| SR01-EN002 | Eidos the Underworld Squire | SR | Effect Monster |
| SR01-EN003 | Edea the Heavenly Squire | SR | Effect Monster |
| SR01-EN004 | Caius the Shadow Monarch | C | Effect Monster |
| SR01-EN005 | Zabord the Thunder Monarch | C | Effect Monster |
| SR01-EN006 | Granmarg the Rock Monarch | C | Effect Monster |
| SR01-EN007 | Mobius the Frost Monarch | C | Effect Monster |
| SR01-EN008 | Thestalos the Firestorm Monarch | C | Effect Monster |
| SR01-EN009 | Raiza the Storm Monarch | C | Effect Monster |
| SR01-EN010 | Lucius the Shadow Vassal | C | Effect Monster |
| SR01-EN011 | Mithra the Thunder Vassal | C | Effect Monster |
| SR01-EN012 | Landrobe the Rock Vassal | C | Effect Monster |
| SR01-EN013 | Escher the Forst Vassal | C | Effect Monster |
| SR01-EN014 | Berlineth the Firestorm Vassal | C | Effect Monster |
| SR01-EN015 | Garum the Storm Vassal | C | Effect Monster |
| SR01-EN016 | Illusory Snatcher | C | Effect Monster |
| SR01-EN017 | Tragoedia | C | Effect Monster |
| SR01-EN018 | Dandylion | C | Effect Monster |
| SR01-EN019 | Mathematician | C | Effect Monster |
| SR01-EN020 | Level Eater | C | Effect Monster |
| SR01-EN021 | Battle Fader | C | Effect Monster |
| SR01-EN022 | Rainbow Kuriboh | C | Effect Monster |
| SR01-EN023 | Pantheism of the Monarchs | SR | Normal Spell Card |
| SR01-EN024 | Domain of the True Monarchs | C | Field Spell Card |
| SR01-EN025 | March of the Monarchs | C | Continuous Spell Card |
| SR01-EN026 | Return of the Monarchs | C | Continuous Spell Card |
| SR01-EN027 | The Monarchs Stormforth | C | Quick-Play Spell Card |
| SR01-EN028 | Strike of the Monarchs | C | Quick-Play Spell Card |
| SR01-EN029 | Tenacity of the Monarchs | C | Normal Spell Card |
| SR01-EN030 | Soul Exchange | C | Normal Spell Card |
| SR01-EN031 | Enemy Controller | C | Quick-Play Spell Card |
| SR01-EN032 | Dicephoon | C | Quick-Play Spell Card |
| SR01-EN033 | Soul Charge | C | Normal Spell Card |
| SR01-EN034 | The Prime Monarch | C | Continuous Trap Card |
| SR01-EN035 | The First Monarch | C | Continuous Trap Card |
| SR01-EN036 | Escalation of the Monarchs | C | Continuous Trap Card |
| SR01-EN037 | The Monarchs Awaken | C | Normal Trap Card |
| SR01-EN038 | The Monarchs Erupt | C | Continuous Trap Card |
| SR01-EN039 | By Order of the Emperor | C | Continuous Trap Card |
| SR01-EN040 | Pinpoint Guard | C | Normal Trap Card |
