Yu-Gi-Oh! - Battles of Legend: Monster Mayhem Booster

Yu-Gi-Oh! Battles of Legend: Monster Mayhem is a collector's booster set for the Yu-Gi-Oh! TCG that was released in June 2025. The set focuses on reprinting older cards with new rarities and art styles, as well as introducing new support cards for various monster themes.

• Release date: June 13, 2025.
• Pack contents: Each 5-card pack contains:
  • 1 Secret Rare card
  • 1 Emblazoned Ultra Rare card (always a Dragonmaid, P.U.N.K., or Orcust card)
  • 3 other Ultra Rare cards
• Key features:
  • "Chibi" variant artworks: 10 popular classic monsters, such as "Blue-Eyes White Dragon" and "Elemental HERO Neos", appear with new, cartoonish "chibi" art.
  • Emblazoned Ultra Rares: A new foil treatment is introduced for Dragonmaid, P.U.N.K., and Orcust cards, featuring a custom emblem for each archetype on the card's text box.
  • Increased Starlight Rare pull rates: The super-rare Starlight Rare foil cards returned to the set with a more common pull rate than previous years.
  • New support cards: The set includes new cards for the Nekroz, Gem-Knight, Jurrac, Fabled, and D/D themes, among others.

• Chibi Art cards: The classic monsters available with chibi artwork include:
  • "Blue-Eyes White Dragon"
  • "Skull Servant"
  • "Elemental HERO Neos"
  • "Dark Paladin"
  • "Junk Warrior"
• New support: New support cards were included for popular archetypes:
  • Fabled: "The Fabled Behilmoth"
  • Gem-Knight: "Gem-Knight Hollowcore"
  • Nekroz: "Avance, Swordsman of the Nekroz" and "Nekroz of Metaltron"
• Emblazoned cards: Key cards for Dragonmaid, P.U.N.K., and Orcust were reprinted with the new emblazoned rarity:
  • Dragonmaid: "Chamber Dragonmaid" and "Dragonmaid Sheou"
  • P.U.N.K.: "Ukiyoe-P.U.N.K. Amazing Dragon"
  • Orcust: "Dingirsu, the Orcust of the Evening Star"
• Legacy reprints: The set also includes reprints for many older cards and powerful staples, including some fan-favorite "Dragon Rulers".