Sorcery speed is a big hindrance with threats such as Heart of Kiran and Glorybringer, and with all of the Gods from Amonkhet block having some form of indestructibility, I dont expect Walk the Plank to be the most-played black removal spell of the set
If you can find a way to recast it from your graveyard, say with a Mystic Sanctuary, you can stop your opponent from ever taking a turn
It also requires the opponent to have no counter-spells or ways to gain life instantly
FromTheShire: Cheap way to protect something important, I like it
For example, I like to use my 9-pocket binder to store expensive and tradable cards
While it is a totally different game, the supercharger that the Terraforming Mars expansion Prelude offers gets that game up and running faster, without a hit to the gameplay