Necrovalley
Yu-Gi-Oh! archetype · 5 cards
Hidden Temples of NecrovalleyLVAL-EN066 · Legacy of the Valiant · +3 printings
Imperial Tombs of NecrovalleyLVAL-EN076 · Legacy of the Valiant · +4 printings
NecrovalleyPGD-084 · Pharaonic Guardian · +13 printings
Necrovalley TempleSOFU-EN068 · Soul Fusion · +1 printing
Necrovalley ThroneSOFU-EN055 · Soul Fusion · +1 printing
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).