In the Sapphire/Steel deck, youll be On The Case tracking down clues using your Detective characters
On a turn : Begin with, Ready (remove exertion from cards, dry the ink on your summoned cards), Set (follow any abilities that mention Turn Start), Draw (your card and start your strategising)
That means you wont find filler commons here, only the cards that truly matter in Commander, cEDH, Legacy, Vintage, and Cube
The Apexes are always going to remain somewhat in demand thanks to Commander, and you wont ever be sad to see one of these in your booster
That aspect is what makes it worth trying to include in Cube
Plus, well take a closer look at the pull rates for all Lorcana booster packs