Novi Booster Pack datum izlaska 6. decembar 2011 godine:
Contains further support for "Steelswarm", "Vylon", "Gusto", "Gem-Knight", "Laval", and "Gishki archetypes"
English Set Name: Hidden Arsenal 5: Steelswarm Invasion
Spanish Set Name: Arsenal Secreto 5: Invasión de la Horda de Acero
TCG Release Date: December 6, 2011
Cover Card: Steelswarm Caucastag
Also see: Hidden Arsenal 5: Steelswarm Invasion - Special Edition
Features:
Each pack contains 5 foil cards: 1 Secret Rare and 4 Super Rares.
5 cards per pack, 24 packs per box
Includes 60 cards:
20 Secret Rares (1:1)
40 Super Rares (4:1)