| Mermaid Knight | |
| Type: | Effect Monster |
| Sub-Type: | Aqua |
| Attribute: | WATER |
| Level: | 4 |
| ATK: | 1500 |
| DEF: | 700 |
| Text: | While "Umi" is on the field, this card can attack twice during the same Battle Phase. |
| Password: | 24435369 |
| Printings |
Dark Revelations Volume 2 (DR2-EN137) -
2005-10-20 Fury from the Deep Structure Deck (SD4-EN011) - 2005-05-09 Ancient Sanctuary (AST-025) - 2004-06-01 |