Each box included a ready-to-play 40-card deck plus four Phantasmal Flames booster packs to potentially integrate useful cards into it. Each Phantasmal Flames Build & Battle Box deck includes a promotional card, and an assortment of Pokémon, Trainer cards, and Energy cards themed around the promotional card. The possible promotional cards include Ceruledge, Zacian, Flygon, and Toxtricity. Phantasmal Flames Build & Battle Boxes were categorized as Play Level 2.