At four mana, and being something of an engine, rather than an impending clock of doom like many other walkers, Quint should survive for longer on the field to make us plenty of 3/2 Spirit tokens
It's super straightforward to understand what's going on here
While there are a handful of rares that are worth more than the $10 pack, apart from Rishadan Port, most of these rares just sneak past the $10 mark, which means the packs where you open a "good" rare won't typically be enough to cover for the packs where you open a bad rare
It is on the expensive side, sure, but it turns your commander creatures into giant (pun intended) threats that can end the game in a matter of turns if you can get a few swings in
Demonic Tutor is by far the most iconic and most reliable of the lot, not subject to deck shuffling shenanigans like Vampiric Tutor
6 Battle Of Hoover Dam Pick A Side Battle Of Hoover Dam gives you two options for an effect it has, both of which are great depending on the deck it's in