| Gem-Knight Sardonyx | |
| Type: | Gemini Monster |
| Sub-Type: | Pyro |
| Attribute: | EARTH |
| Level: | 4 |
| ATK: | 1800 |
| DEF: | 900 |
| Text: | This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect. |
| Password: | 43114901 |
| Printings |
Hidden Arsenal 7: Knight of Stars (HA07-EN001) -
2013-04-26 |