Codebreaker
Yu-Gi-Oh! archetype · 3 cards
Codebreaker Virus BerserkerETCO-EN051 · Eternity Code
Codebreaker Virus SwordsmanETCO-EN052 · Eternity Code
Codebreaker Zero DayETCO-EN002 · Eternity Code
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).