Cyber Eltanin

Edison Card Text
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing all LIGHT Machine monsters from your field and GY. This card's ATK/DEF become the number of monsters banished for its Special Summon x 500. If this card is Special Summoned: Send all other face-up monsters on the field to the GY.
No targeting
No Damage Step effect
Banlist • Unlimited
Interactions
Can you Summon Cyber Eltanin if you cannot banish a LIGHT Machine?✓
You attempt to Summon Cyber Eltanin without a LIGHT Machine to banish.
No. You must be able to banish a LIGHT Machine from your field or Graveyard to Summon Cyber Eltanin.
Can Cyber Eltanin be Special Summoned from the Deck?!
A player asks about summoning location.
No. It cannot be Special Summoned from the Deck unless a card specifically allows it.
Rulings
edisonformat.net
●The Summoning Condition can't be negated.
●The Special Summon Effect is the only way to Special Summon this card.
●This Summon does not start a chain.
●This card Cannot be Special Summoned from the GY / removed from play area.
●Only LIGHT-Attribute Machine-Type monsters (and Tokens) are removed from play as a cost.
●Face-down LIGHT-Attribute Machine-Type monsters are not removed from play.
●You can Special Summon Cyber Eltanin even if you only have 1 LIGHT-Attribute Machine-Type monster on your field and/or in your GY.
●The ●The ATK/DEF become 0 if it is flipped face-down, leaves the field, or Skill Drain negates its effects.
●The Original ATK of Cyber Eltanin is treated as 0 while it is on the field. If Megamorph is equipped, it will have 0 ATK. When the effect of Megamorph is no longer applied, its ATK returns to 500x the number of monsters removed from play to Special Summon Cyber Eltanin.
●The Mandatory Trigger Effect activates in the Summon response timing.
●This effect does not affect face-down monsters.
●This effect 'sends' monster cards to the GY; it does not 'destroy' them.
edisonformat.com
(C) This card cannot be Normal Summoned or Set. (S) This card cannot be Special Summoned except by removing from play all face-up LIGHT Machine-Type monsters from your side of the field and your Graveyard. (1) This card's ATK and DEF are equal to the number of monsters removed from play for its Special Summon x 500. (2) When this card is Special Summoned, send all other face-up monsters on the field to the Graveyard.
The (C) Summoning Condition cannot be negated.
The (S) Special Summon Effect is the only way to Special Summon this card.
This Summon does not start a chain.
This card CANNOT be Special Summoned from the Graveyard / removed from play area.
Only LIGHT-Attribute Machine-Type monsters (and Tokens) are removed from play as a cost.
Face-down LIGHT-Attribute Machine-Type monsters are not removed from play.
You can Special Summon "Cyber Eltanin" even if you only have 1 LIGHT-Attribute Machine-Type monster on your field and/or in your Graveyard.
The (1) Continuous Effect effect applies so long as it is face-up on the field.
The ATK/DEF become "0" if it is flipped face-down, leaves the field, or "Skill Drain" negates its effects.
The Original ATK of "Cyber Eltanin" is treated as 0 while it is on the field. If "Megamorph" is equipped, it will have 0 ATK. When the effect of "Megamorph" is no longer applied, its ATK returns to 500x the number of monsters removed from play to Special Summon "Cyber Eltanin".
The (2) Mandatory Trigger Effect activates in the Summon response timing.
This effect does not affect face-down monsters.
This effect 'sends' monster cards to the Graveyard; it does not 'destroy' them.