It's hilarious how a card that's supposed to be an upgrade of Skyscraper made by Judai's close friend, ends up being worse than the original to the point where the original is a limited SR while this card is just an R available in a box.
you realise big city heroes was a big deck in the tcg right? both skyscrapers have been competitive in multiple hero builds, with skyscraper 2 belonging to one of the earliest versions of hero beat, being jeff jone's big city hero.
Only if they have been fusion summoned properly first.
And not all of them can be revived with this card, the ones with specific materials like Flame Wingman and Thunder Giant cannot be revived with this card's effect because they are Nomi Fusions and this card does not ignore Summoning Condition.