Tribute 1 face-up monster; Special Summon 1 monster that cannot be Normal Summoned Set and mentions Max Metalmorph from your hand, Deck, or GY, then you can equip this card to it with the following effect.
• The equipped monster gains 400 ATK DEF, it cannot be destroyed by Spell or monster effects, also your opponent cannot target it with monster effects or Spell Cards or effects.
You can only activate 1 Max Metalmorph per turn.