Metalmorph
Yu-Gi-Oh! archetype · 6 cards
Flame Coating MetalmorphSUDA-EN075 · Supreme Darkness
Max MetalmorphROTA-EN071 · Rage of the Abyss · +2 printings
Metallizing Parasite - LunatiteDCR-074 · Dark Crisis · +2 printings
Metallizing Parasite - SoltiteABYR-EN034 · Abyss Rising
Rare MetalmorphRDS-EN052 · Rise of Destiny · +9 printings
Time EngineROTA-EN072 · Rage of the Abyss · +1 printing
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).