Per Wizards of the Coast Employee, Mike Turian (Principal Product Designer), As we worked on Ikoria: Lair of Behemoths, we knew we had an amazing opportunity to tap into the cultural phenomenon of Godzilla
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
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
It wasnt the most powerful set mechanically, but it's hard to find an expansion that tops War of the Spark story-wise
You can still lose your creature to Krark-Clan Shaman, but thats less likely with the counter