Kraven wants you to go after the biggest creatures on board, and it plays exceptionally well with removal that can take out multiple threats at once
Board Wipes: To sweep the board, Dimir looks at monocolor heavyweights like Cyclonic Rift, Toxic Deluge, and Damnation, along with cards like Soulquake
The main takeaway is this: SPE cards are really valuable, MAR reprints are mostly good, while Marvels Spider-Man (SPM) is just okay in value, outside of a few rares and mythics
Sai, Master Thopterist and Thopter Spy Network are staples of artifact decks, while Shorikai, Genesis Engine and Valor's Flagship can give you Pilot tokens
That said, I do find Loot hideous and adorable in equal measure, so Im honestly a little conflicted on whether hed be better served as a treasured dice-guarding companion or a dogs chew toy