The set is full of weird little mysteries in its art and packaging, like different colored smoke on Break Out or different feathers in the Wojek Investigators hand
As to why that is important, these cards which talk about Pirates dealing damage and spreading out combat are actually leading a tightly-woven tapestry of Cascade enablers and Time Counter payoffs, all with an Elemental tribal/typal subtheme
In combination with Klauth, the Despot can be a very strong combo-card, but the cost of this card, 5RR, can be a deterrent if you dont cast it from a mana ability
Remember the Fallen is a card I run quite often in white decks, and I highly value the ability to get two cards back rather than having recursion be on a body, a la Eternal Witness
Lets move on to the list
It wasnt the most powerful set mechanically, but it's hard to find an expansion that tops War of the Spark story-wise