You never want to rely on this as your main cheat in effect as it is relatively easily disrupted and generally pretty slow
Sarkhan did get to rely on Rhystic Study, but the more I played with Study, the more I started to feel it was such a feast or famine card in lower power typal decks that it over inflated the decks win rate, and was a bit of a crutch
on this last sheet, I am assuming each of the 22 secret rares to be printed 3 times, taking up 66 of the 100 slots on the 10x10 sheet, or 66.0%
The box itself feels sturdy enough, though perhaps not something youd confidently store vertically without a little caution
Teval, Arbiter of Virtue Teval represents the new Sultai's desire for impartiality, restraints on authority, and a reaffirmation of their bond with their environment