Editing Cyber-Stein OTK

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==Classic OTK==
===Method 1===
* "[[Cyber-Stein]]"
* "[[Megamorph]]" (or "[[Limiter Removal]]" with "[[Cyber End Dragon]]" or "[[Cyber Twin Dragon]]")
* Any [[Fusion Monster]] with at least 4000 [[ATK]] that can be Special Summoned via Cyber-Stein
** "[[Blue-Eyes Ultimate Dragon]]" (4500 [[ATK]])
** "[[Master of Oz]]" (4200 [[ATK]])
** "[[Cyber End Dragon]]" (4000 [[ATK]])

In order for this [[OTK]] to work you must let your opponent go first since the player who started the [[duel]] cannot [[attack]]. You'll need either a clear [[field]], or the ability to make your monster strong enough with either "[[Megamorph]]" and "[[Fairy Meteor Crush]]" or "[[Big Bang Shot]]" so that no matter what monster your opponent plays, you'll still deal enough [[Battle Damage]] to win.(If you have "[[Cyber End Dragon]]" you won't need the Fairy Meteor Crush which has the same effect)

First, [[summon]] "[[Cyber-Stein]]" and [[activate]] its [[effect]], [[pay]]ing 5000 [[Life Points]] to [[Special Summon|summon]] the [[Fusion Monster]]. Then, [[activate]] "[[Megamorph]]" and [[equip]] it to the [[Fusion Monster]]. Since your [[Life Points]] will most likely be lower than your opponent's after the 5000 [[Life Points]] cost of "[[Cyber-Stein]]", "[[Megamorph]]" will double the [[Fusion Monster]]'s [[ATK]] points to at least 8000, exactly enough to wipe out your opponent.

===Method 2===
* "[[Cyber-Stein]]"
* "[[Cyber Twin Dragon]]"
* "[[Ring of Destruction]]"

On your turn, set "[[Ring of Destruction]]". You'll need a clear [[field]] for the next part, so "[[Nobleman of Crossout]]" and "[[Nobleman of Extermination]]" may come in handy.

Assuming a clear [[field]], [[summon]] "[[Cyber-Stein]]", [[activate]] his [[effect]], and [[Special Summon|summon]] "[[Cyber Twin Dragon]]" from your [[Fusion Deck]] (YOU 3000 / OPP 8000). [[Attack]] your opponent [[Direct Attack|directly]] twice with "[[Cyber Twin Dragon]]" (YOU 3000 / OPP 2400), then [[activate]] "[[Ring of Destruction]]", selecting "[[Cyber Twin Dragon]]" (YOU 200 / OPP 0). Remember that if this play comes later in the [[duel]], then you can also set [[Ring of Defense]] so that way only your opponent will take damage when activating [[Ring of Destruction]]. You can also use "[[Shooting Star Bow - Ceal]]" to attack directly so you don't interfere with your opponents flip effects that might mess you up with your combo.

Another way you can OTK with Ring of Destruction is to use any of the monsters with 4000+ ATK mentioned above. Special Summon that monster using Cyber-Stein, then activate Ring of destruction. Then [[Chain]] [[Barrel Behind the Door]] to avoid taking damage and do at least 8000 damage to your and take no damage from Ring of Destruction.

===Method 3===
* "[[Cyber-Stein]]"
* (Fusion Monster with an attack of 2750+)
* "[[Megamorph]]"
* "[[Shooting Star Bow - Ceal]]"
* "[[Twin Swords of Flashing Light - Tryce]]"

On your turn, Normal Summon Cyber-Stein. Activate it's effect and summon the chosen fusion monster. Activate Megamorph, Twin Swords of Flashing Light - Tryce, and Shooting Star Bow - Ceal and equip them to it. Attack directly, twice, for win. (Stats will be XXX0, x2, -1500; so, only a base Atk of 2750 is actually needed, allowing this to be done with many more fusion monsters).

==Costless Fusion OTK==
===Key Cards===
* "[[Cyber-Stein]]"
* "[[DNA Surgery]]"/"[[Reprodocus]]"
* "[[Brain Research Lab]]"
* (Any [[Fusion Monster]])
* (Any [[Xyz Monster]] that are having the summon condition based on the [[Fusion Monster]])
* (Any Level 6 or higher [[Synchro Monster]])

"[[Activate]]" "[[DNA Surgery]]"/"[[Reprodocus]]" and "[[Brain Research Lab]]" and "[[Normal Summon]]" "[[Cyber-Stein]]" as fast as possible. You can also search "[[Brain Research Lab]]" easily with "[[Terraforming]]". Change all the "[[Type]]"s of the "[[Monster]]" to "[[Psychic]]" and use the effect of "[[Cyber-Stein]]" to "[[Special Summon]]" any of the "[[Fusion Monster]]". As "[[Cyber-Stein]]" is now "[[Psychic]]"-type, you just place 1 Psychic Counter on "[[Brain Research Lab]]" instead of paying 5000 [[Life Points]] to "[[Special Summon]]" any of the "[[Fusion Monster]]". Repeat this step to summon any of your "[[Fusion Monster]]" as many as possible. The release of "[[Xyz Monster]]" also boost this combo. "[[Xyz Summon]]" by using any "[[Fusion Monster]]" on the field and "[[Direct attack]] your opponent with all the "[[Monster Card]]" on the field. The examples of "[[Xyz Monster]]" that are having a difficult summon condition like "[[Superdreadnought Rail Cannon Gustav Max]]" or "[[Superdimensional Robot Galaxy Destroyer]]" can be summon easily with "[[Cyber End Dragon]]" or "[[Destiny End Dragoon]]".
With the release of "[[Sea Monster of Theseus]]" it is possible to Summon high [[Level]] [[Synchro Monster]]s,such as [[Ultimaya Tzolkin]].
The release of the "[[Danger!]]" engine makes this [[FTK]] more viable, as it only requires 2 cards from the [[Main Deck]] to FTK.
This can be combined with the [[Blaze Fenix OTK]] as well. 


==Other==

* Since many cards in this format are hard to pull from the Deck, [[Messenger of Peace]] could be used to stall and perhaps lower your Life Points a bit for [[Megamorph]].

* You can also Tribute the fusion monster for [[Great Maju Garzett]].

* After using "[[Reprodocus]]'s effect, [[Link Summon]] any [[Link Monster]] that allows "[[Cyber-Stein]]" to [[Special Summon]] [[Fusion Monsters]].

[[Category:Deck Type]]