Ogdoadic
Yu-Gi-Oh! archetype · 16 cards
Aleirtt, the Ogdoadic DarkANGU-EN006 · Ancient Guardians
Amunessia, the Ogdoadic QueenANGU-EN008 · Ancient Guardians · +1 printing
Aron, the Ogdoadic KingANGU-EN007 · Ancient Guardians · +1 printing
Flogos, the Ogdoadic BoundlessANGU-EN003 · Ancient Guardians
Keurse, the Ogdoadic LightANGU-EN005 · Ancient Guardians
Nauya, the Ogdoadic RemnantANGU-EN002 · Ancient Guardians · +1 printing
Nephilabyss, the Ogdoadic OverlordAGOV-EN016 · Age of Overlord
Nunu, the Ogdoadic RemnantANGU-EN001 · Ancient Guardians
Ogdoabyss, the Ogdoadic OverlordANGU-EN009 · Ancient Guardians · +1 printing
Ogdoadic CallingANGU-EN013 · Ancient Guardians
Ogdoadic DaybreakAGOV-EN063 · Age of Overlord · +1 printing
Ogdoadic HollowANGU-EN012 · Ancient Guardians
Ogdoadic OriginANGU-EN011 · Ancient Guardians
Ogdoadic Serpent StrikeBACH-EN058 · Battle of Chaos
Ogdoadic Water LilyANGU-EN010 · Ancient Guardians · +1 printing
Zohah, the Ogdoadic BoundlessANGU-EN004 · Ancient Guardians
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).