mtg jumpstart most expensive cards Aetherdrift: Most Expensive Magic Jumpstart 2022

They help you gain lore and deal with threats against you

Vivi Ornitier's effect is so good, and can be copied onto other creatures (something Izzet Cauldron decks do in Standard), so they too can provide mana to make for explosive turns where you can play your entire hand and draw a bunch of cards

Urza's Incubator A staple in tribal EDH decks everywhere, Urza's Incubator was in sore need of this Dominaria Remastered reprint

Valued at just $6 in the final week of August, the card has since risen to a much more substantial $15.40

I find it really interesting as a Modern deck in its infancy with results that offer a proof of concept and enough options that it has to have an enormous amount of room to grow