Hidden Arsenal
Released November 5, 2009 — 30 cards
| Set code | Card | Rarity |
|---|---|---|
| HA01-EN001 | Blizzed, Defender of the Ice Barrier | Secret Rare |
| HA01-EN002 | Blizzard Warrior | Super Rare |
| HA01-EN003 | Cryomancer of the Ice Barrier | Secret Rare |
| HA01-EN004 | Mist Valley Thunderbird | Secret Rare |
| HA01-EN005 | Mist Valley Shaman | Secret Rare |
| HA01-EN006 | Mist Valley Soldier | Secret Rare |
| HA01-EN007 | Flamvell Dragnov | Super Rare |
| HA01-EN008 | Flamvell Magician | Super Rare |
| HA01-EN009 | Flamvell Guard | Super Rare |
| HA01-EN010 | X-Saber Axel | Super Rare |
| HA01-EN011 | X-Saber Airbellum | Secret Rare |
| HA01-EN012 | X-Saber Uruz | Super Rare |
| HA01-EN013 | Commander Gottoms, Swordmaster | Secret Rare |
| HA01-EN014 | Ally of Justice Clausolas | Super Rare |
| HA01-EN015 | Ally of Justice Garadholg | Super Rare |
| HA01-EN016 | Ally of Justice Rudra | Super Rare |
| HA01-EN017 | Worm Apocalypse | Super Rare |
| HA01-EN018 | Worm Barses | Super Rare |
| HA01-EN019 | Worm Cartaros | Super Rare |
| HA01-EN020 | Worm Dimikles | Super Rare |
| HA01-EN021 | Worm Erokin | Secret Rare |
| HA01-EN022 | Brionac, Dragon of the Ice Barrier | Secret Rare |
| HA01-EN023 | Mist Wurm | Secret Rare |
| HA01-EN024 | Flamvell Uruquizas | Secret Rare |
| HA01-EN025 | X-Saber Urbellum | Secret Rare |
| HA01-EN026 | Ally of Justice Catastor | Secret Rare |
| HA01-EN027 | Wrath of Neos | Secret Rare |
| HA01-EN028 | Detonate | Super Rare |
| HA01-EN029 | Berserker Crush | Super Rare |
| HA01-EN030 | Evolution Burst | Secret Rare |