Have a look at the different in EV just based on the rares we know so far: If you squint, thats a potentially whopping 50%+ increase in the EV being added by rares in this set, assuming a roughly equivalent value for the remaining rares, including likely bulk rares
The Illumineers Trove includes: 1 Card storage box 6 Card Dividers 8 Booster packs of 12 additional game cards each 6 Damage-counter dice 1 Lore counter Accessories Protect your collection from wear and tear with card sleeves, deck boxes, and playmats
Ride to Gondor! Illustrated by Filipe Pagliuso Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Of course, the 12th slot in a Set Booster pack is a guaranteed rare or mythic rare card, which is no different than the same slot found in Draft Boosters
Its surprisingly easy to go bigger though
Whether its cards like Light Up the Stage or Reckless Impulse to exile cards from the top of your library or Wild-Magic Sorcerer to profit from playing those cards, theres tons of support for these kinds of strategies