You won't always be able to play Gadget Hackwrench, Perceptive Mouse, shift her into Brilliant Boson, and get three items into play - especially when Hiram is busy banishing your items - but when the pieces come together, it's important to take advantage
If there is one, she can lock down a character with her Crystallize ability, forcing your opponent to exert them so you can have Elsa take them out
Plus it has a built-in way to gain indestructible, which is always nice in a commander
I can really see this alongside a card like Saheeli's Lattice / Mastercraft Raptor, which you can then flip by crafting the Carnosaur out of the graveyard
Finally, both 2D and 3D artists get feedback, which ranges from "that looks weird" to "this VFX is distracting from gameplay," and everyone does final polish passes
The glimmers of characters in those stories are then inkcast by the Illumineers