I know this seems limited to a Halfling deck or a deck where your commander is a Halfling, but there are a ton of ways for Equipment-heavy decks to discount the equip cost
You get access to all colors except red, giving you the opportunity to play with most of Magic's cycling cards
Now that we left the Kaladesh days of cascading threats, almost none of the creatures in Standard really are, except Niv
How much space can you dedicate to sorting and storing your cards
Coalstoke Gearhulk doesnt quite make it into my Henzie build, but its still a phenomenal little Reanimator card for other decks
While I would almost never recommend this approach for older booster boxes, as you are gambling heavily on opening a chase card in an environment where the odds are stacked against you, sometimes this approach works well with newer sets