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'''Machine''' ({{Ruby|機|き}}{{Ruby|械|かい}} ''Kikai'') monsters are powerful, and in some cases, fearsome to face in battle. They rely on high [[ATK]] as well as a variety of powerful effects, and they have some of the strongest [[Fusion Monster]]s in the ''[[OCG]]''/''[[TCG]]'', that can be made even more powerful with the ATK-doubling ability of "[[Power Bond]]", "[[Cybernetic Zone]]", or "[[Limiter Removal]]". Most Machine monsters have [[DARK]], [[EARTH]], or [[LIGHT]] [[Attribute]]s. In the [[Yu-Gi-Oh! (anime)]] first season, they have the special [[Card effect|ability]] of immunity against all type of [[Spell Card|magic]] and [[Spellcaster]] attacks. Their general strategy varies, but they often have the ability to negate the effects of specific opposing cards and/or destroy them. Machine monsters also have four of their own [[Structure Deck]]s: ''[[Structure Deck10: Machine Re-Volt|Machine Re-Volt]]'', ''[[Machina Mayhem Structure Deck|Machina Mayhem]],'' ''[[Cyber Dragon Revolution Structure Deck|Cyber Dragon Revolution]], and ''[[Geargia Rampage Structure Deck]].

Some of the numerous Machine [[archetype]]s include: "[[Jinzo (archetype)|Jinzo]]", "[[Ancient Gear (archetype)|Ancient Gear]]", "[[Cyber Dragon (archetype)|Cyber Dragon]]", "[[Cyberdark]]", "[[Gadget]]", "[[Geargia]]", "[[B.E.S.]]", "[[Vehicroid]]", "[[Ally of Justice]]", "[[Machina]]", "[[Karakuri]]", "[[Gimmick Puppet]]", "[[Mecha Phantom Beast]]", "[[Meklord]]" (which has the "[[Meklord Emperor]]" and "[[Meklord Army]]" sub-archetypes), and "[[Superheavy Samurai]]", and "[[Speedroid]]".

Notable Machine [[series]] include: "[[Cyberdark]]", "[[Cycler]]", "[[Konami Arcade Games|Gradius]]", "[[Machine King (series)|Machine King]]", "[[Gun Dragon]]", and "[[A-to-ZVWXYZ]]".

Due to their relative commodity, they are used by many characters in the anime and manga. Some of the more notable characters include [[Keith Howard|Bandit Keith]], [[Vellian Crowler]], [[Syrus Truesdale]], [[Zane Truesdale]], [[Leo]], [[Aporia]], [[Gong Strong]], and [[Yugo]].

==ExamplesExample==<gallery widths="200" position="center" captionalign="center">XHeadCannon[[File:CyberDragon-SDKSLEDD-EN-C-1E.png | Normal MonsterJinzo-DUSA-EN-UR-1E.png center| Effect MonsterAncientGearToken-SR03-EN-C-1E.png | Token MonsterChimeratechMegafleetDragon-LEDD-EN-UR-1E.png | Fusion MonsterSamuraiDestroyer-CIBR-EN-R-1E.png | Synchro MonsterCyberDragonInfinity-LEDD-EN-UR-1E.png | Xyz MonsterQliphortScout-PEVO-EN-SR-1E.png | Pendulum MonsterGaiaSabertheLightningShadow-COTD-EN-ScR-1E.png | Link Monster</gallery>300px]]