Entity
Yu-Gi-Oh! archetype · 6 cards
Elder Entity NordenCT12-EN003 · 2015 Mega-Tins · +2 printings
Elder Entity N'tssCT14-EN009 · 2017 Mega-Tins · +9 printings
Old Entity CthuguaSHVA-EN016 · Shadows in Valhalla
Old Entity HastorrCT12-EN005 · 2015 Mega-Tins
Outer Entity AzathotSHVA-EN018 · Shadows in Valhalla
Outer Entity NyarlaSHVA-EN017 · Shadows in Valhalla · +1 printing
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).