Proto-Cyber Dragon [DR04-EN130] Super Rare XY181 then you can Special Summon

then you can Special Summon this card from your Fusion Deck (You do not use ""Polymerization"")

Set: Invasion: Vengeance Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 2500 3 Level 5 monsters

Set: Invasion: Vengeance Card type: Fusion/Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 2000 2 DARK monsters on the field

Must be Fusion Summoned and cannot be Special Summoned by other ways

Set: Sword & Shield: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: Colorless

Proto-Cyber Dragon [DR04-EN130] Super Rare XY181 then you can Special SummonSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Super Rare Attack: 1100 Defense: 600 Effect: This card''s name is treated as Cyber Dragon while it is face up on the field.