By keeping the Sable, you enable yourself to potentially attack backor combine with the Inquisitor to take out something more threatening in the future
: Another target creature gets +2/+0 and gains trample until end of turn
When it enters, you can phase out any target creatures you control
Think of it like this: All your creatures become Ragavan, Nimble Pilferer
Gettin Mama Odie, Mystical Maven out there early - which should be doable thanks to the cheap cost of the card - alongside a handful of songs, will very quickly put you into a position wherein you can play a lot more cards per turn or a much more expensive, and more powerful, card a lot earlier than your opponent
Taking heavy design influence from Stardew Valley and the like, Research Story is a beautifully cozy farming sim that iterates on the genre with its unique research mechanic