You get +1 arcane slot for each enemy beneath Binder's Jar
It also might be useful for some of the fire-weak challenges in the Rare League Card hunt
Luckily, we're here to help you decide which Booster Packs to open first

Provided Decklist: Monsters: 24 | Moulinglacia the Elemental Lord | Lappis Dragon ||| Atlantean Dragoons || Atlantean Marksman ||| Deep Sea Minstrel || Deep Sea Sentry ||| Deep Sea Diva | Fishborg Planter || Atlantean Heavy Infantry ||| Neptabyss, the Atlantean Prince ||| Deep Sea Artisan Spells: 14 || Surface || Deep Sea Aria | Terraforming | Call of the Atlanteans ||| Archfiends Oath || Convulsion of Nature ||| Magallanica, the Deep Sea City (YGOrg Translation) Traps: 2 || Sea Stealth Attack Extra Deck: | White Aura Bihamut | Ravenous Crocodragon Archethys | Borreload Savage Dragon | Adamancipator Risen Dragite | White Aura Whale | Cyberse Quantum Dragon || Deep Sea Prima Donna | Coral Dragon | Dewloren, Tiger King of the Ice Barrier | Marincess Coral Anemone | Knightmare Cerberus || Crystron Halqifibrax | Relinquished Anima Variations of both of these builds are currently participating in The Creative Deck Strategy Showdown, Part 2 in Group D and in Group C respectively

10 Topps The Movie 2000 Animation Edition Pack 5 Cards + Foil $499 Qty
Obtaining Flair for a card will consume some of your duplicates, depending on the cards rarity, and you must have at least two cards left, so you will need multiple copies of a card you want to obtain Flair for