Pit of Offerings is an underrated cave that is occasionally better than Bojuka Bog due to the mana fixing it can provide, so it doesn't quite make the ranking, but is a great option if you only need to hit three or less graveyard targets
Sol Ring [In every commander deck, ever]: In every commander deck, ever
Because of this, proxies often have different foiling processes or entirely different card arts or frames
See copying artifact tokens here
The gatherings have grown so large that corporate has given managers the green light to call in law enforcement to break things up
It's not all doom and gloom, though, as it means I can try to save some money for whenever these sets are released and get myself something like Commander decks, special bundles, or whatever cool product Wizards plans to have in store for this kind of set