With good all-around stats and the Detective class, hes versatile enough to be used for questing, but also draws when he banishes in a challenge
Combined with the lifegain, its a great way to stabilize in a hostile boardstate
Every reprint has repurposed art to match its respective story, and each deck tries to capture certain iconic events, characters, villains, etc
Bygone Marvels is cool I suppose, but the decks not dying for a Regrowth effect, nor is explore that good at putting permanents in the graveyard for descend 8 to be consistently online
From its passive ability that makes it an insect creature while not on the battlefield, to its literal -5 bomb which deals damage based on the number of cards in your graveyard
He closes your lands down and benefits from them himself