Blue Sky Lion & Silver Guardian (蒼天の獅子＆白銀の護騎) is the Free Card Deck of Booster 4: Assault of the Black Knight Deity. It can be downloaded from here.
Card List
| Color | Number | Card Name | Type | Quantity |
|---|---|---|---|---|
| File:Icon white.png | F04-009 | Yuzuriha Misaki | Player | 1 |
| File:Icon blue.png | F05-010 | Sento Reia | Player | 1 |
| File:Icon blue.png | F09-001 | Transformed Golden Shachihoko, Nagoyan | Z/X | 4 |
| File:Icon blue.png | F09-002 | Cyber Rapier, Alphard | Z/X | 4 |
| File:Icon blue.png | F09-003 | Apprentice Voice, Vilde | Z/X | 4 |
| File:Icon blue.png | F09-004 | Battle Hero, Markab | Z/X | 4 |
| File:Icon blue.png | F09-005 | Shock Machine, Shock | Z/X | 3 |
| File:Icon blue.png | F09-006 | Invincible Haniwa, Honey-One | Z/X | 3 |
| File:Icon blue.png | F09-007 | Sword Revolution | Event | 3 |
| File:Icon white.png | F09-008 | Destinee of Fate | Z/X | 4 |
| File:Icon white.png | F09-009 | Evil Bane, Mont Blanc | Z/X | 4 |
| File:Icon white.png | F09-010 | Holy Beast, Aura Kirin | Z/X | 4 |
| File:Icon white.png | F09-011 | Errer of Wander | Z/X | 4 |
| File:Icon white.png | F09-012 | Evil Bane, Elbrus | Z/X | 3 |
| File:Icon white.png | F09-013 | Caring Siberian | Z/X | 4 |
| File:Icon white.png | F09-014 | Guardian Heart | Event | 2 |
