Le monstre phare est :

Steelswarm Caucastag

Le booster est composé de 20 cartes Secret Rare (1 par booster) et de 40 cartes Super Rare (4 par booster).
Comme d'habitude, il y a 5 cartes par booster, et 24 boosters par boîte.

Le spoiler serait :

HA05-EN001 Gem-Knight Garnet
HA05-EN002 Gem-Knight Sapphire
HA05-EN003 Gem-Knight Tourmaline
HA05-EN004 Gem-Knight Alexandrite
HA05-EN005 Gem-Armadillo
HA05-EN006 Gem-Merchant
HA05-EN007 Laval Miller
HA05-EN008 Soaring Eagle Above the Searing Land
HA05-EN009 Laval Warrior
HA05-EN010 Magflare the Molten Swordsman
HA05-EN011 Laval Forest Sprite
HA05-EN012 Kayenn, the Master Magma Blacksmith
HA05-EN013 Laval Burner
HA05-EN014 Laval Judgment Lord
HA05-EN015 Vylon Cube
HA05-EN016 Vylon Vanguard
HA05-EN017 Vylon Charger
HA05-EN018 Vylon Soldier
HA05-EN019 Gem-Knight Ruby
HA05-EN020 Gem-Knight Aquamarine
HA05-EN021 Gem-Knight Topaz
HA05-EN022 Lavalval Dragon
HA05-EN023 Laval the Greater
HA05-EN024 Vylon Sigma
HA05-EN025 Vylon Epsilon
HA05-EN026 Gem-Knight Fusion
HA05-EN027 Searing Fire Wall
HA05-EN028 Vylon Material
HA05-EN029 Gem-Enhancement
HA05-EN030 Molten Whirlwind Wall
HA05-EN031 Gishki Abyss
HA05-EN032 Gishki Vanity
HA05-EN033 Gishki Marker
HA05-EN034 Gishki Chain
HA05-EN035 Gishki Erial
HA05-EN036 Gishki Shadow
HA05-EN037 Gusto Gulldo
HA05-EN038 Gusto Egul
HA05-EN039 Gusto Thunbolt
HA05-EN040 Winda, Priestess of Gusto
HA05-EN041 Caam, Serenity of Gusto
HA05-EN042 Windaar, Sage of Gusto
HA05-EN043 Steelswarm Cell
HA05-EN044 Steelswarm Scout
HA05-EN045 Steelswarm Gatekeeper
HA05-EN046 Steelswarm Caller
HA05-EN047 Steelswarm Mantis
HA05-EN048 Steelswarm Moth
HA05-EN049 Steelswarm Girastag
HA05-EN050 Steelswarm Caucstag
HA05-EN051 Evigishki Mind Augus
HA05-EN052 Evigishki Soul Ogre
HA05-EN053 Daigusto Gulldos
HA05-EN054 Daigusto Eguls
HA05-EN055 Gishki Ceremonial Mirror
HA05-EN056 Contact with Gusto
HA05-EN057 First Step Towards Infestation
HA05-EN058 Ceremonial Mirror Meditation
HA05-EN059 Blessings for Gusto
HA05-EN060 Infestation Wave

Source
Wikia