The benefit of this card is that you can have 4 of them in a deck, and they're cheap with a decent body at 2/2, and in Commander, a 1 of in a Black W/B deck running a lot of enchantments can make things scary if your stuff starts leaving the board
This is a deep set, and in my initial look over the spoiler I pulled out 59 cards that are worth mentioning, although 5 of those are a cycle, that are strong additions to casual play and formats like Commander, Five Color, multiplayer, and loads more
Despite the presence of very similar options such as Soul-Guide Lantern in Standard already, there are still reasons for adding this classic version of the graveyard-exiler
There've been several reveals alongside the commander decks - like this Jurassic World card that makes Colossal Dreadmaws
Further Reading: Cards Rising in the Post-Nadu Modern How Has the Print Change for Secret Lair Affected Prices So Far?
Hakbal of the Surging Soul makes all your Merfolk explore every turn