Your main line of play is to ramp early with Sapphire glimmers like Belle, gaining access to more cards and resources
its been hinted by Lorcana co-designer Ryan Miller that well be learning a lot more about them in the second card set, Rise of the Floodborn
In our opinion, the Sapphire/Steel starter deck is the better of the two for a few reasons
These cards are not being reintroduced back into Standard, but they are receiving unique treatment and art that Final Fantasy enjoyers should love
Notable inclusions are Emet-Selch of the Third Seat, Thancred Waters, Alphinaud Leveilleur, and Summon: Good King Mog XII
It's also utterly absurd - for good or ill, Magic designs are slowly becoming indistinguishable from the meme-iest cards on r/custommagic