Crucially, starting an engine is a state-based action that happens as soon as you control a permanent with the ability, making it exceptionally difficult for an opponent to interact with via the stack
The Level 3 ability is interesting, because it is a very slow reanimator that your opponent can see coming, but a lot of the reanimator spells rotated out, so there's not many other options right now
The Camouflage ability breaks the card in half, providing a source of +1/+1 counters to make Spider-Man massive while keeping you insulated from targeted removal thanks to hexproof
That might mean a deck with lots of black and blue spells, if those are the ones you happen to find in anime versions, or a green token strategy if there are enough anime-inspired cards in that color
If it shows good results in Modern, especially in Sultai Control decks, then this will further drive up the price