Know the key cards that can do this, or add a few from other sets
While it is ultimately arbitrary, here is what I was considering when ranking the cards: Use Scenario: I took into consideration where the cards will be used, for example Commander deck cards are considered in that sense, while uncommons in the main set had more thought put into limited usage

$0.49 Edgar, Master Machinist Final Fantasy Commander Decks $0.49 Cyan, Vengeful Samurai Final Fantasy Commander Decks $0.49 Gau, Feral Youth Final Fantasy Commander Decks $0.49 Locke, Treasure Hunter Final Fantasy Commander Decks $0.49 The Falcon, Airship Restored Final Fantasy Commander Decks $0.49 Shadow, Mysterious Assassin Final Fantasy Commander Decks $0.49 Auron, Venerated Guardian Final Fantasy Commander Decks $0.49 Banon, the Returners' Leader Final Fantasy Commander Decks $0.79 Wrecking Ball Arm Final Fantasy Commander Decks $2.99 Gogo, Mysterious Mime Final Fantasy Commander Decks $1.49 Anger Final Fantasy Commander Decks $0.49 Setzer, Wandering Gambler Final Fantasy Commander Decks 0 results found
Its a beautiful card, so its not difficult to see why this is the most wanted card from Azurite Sea overall
"Final Fantasy IX Available on Nintendo Switch, Xbox One and Windows 10 Today
Machinists Arsenal Machinist's Arsenal requires a bit of building around, but it takes just one or two other artifacts for it to be good