union arena sword art online booster box Amazon.com: BANDAI Pack, [UA15BT] (Box), 16 Packs : Toys & Games including Kirito Union Arena: UE07ST: Sword Art

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There's the Field Notes cards (first introduced in Bloomburrow ), along with Power Poses inspired by the show's opening theme

Latias (Promo-A 101 / P-A) card How to get: Was obtained simply by logging in to TCG Pocket and accessing the missions under the September 2025 Premium section as long as you had the Premium Pass

This Cultist was hiding on the backside of the Agenda 1 card and immediately started hunting the Investigator with the most Clues

Here are some best practices: Binders: Use 9-pocket pages with acid-free materials to safely store multiple cards

Thunder Dragon will have a spare Soldier of Chaos, Orcust a Zeroboros, and the threat of Equimax is constant in Infernoid