| Set: |
Structure Deck: Realm of the Sea Emperor |
| Card type: |
Effect Monster |
| Rarity: |
Common |
| Attack: |
900 |
| Defense: |
1800 |
When this card is flipped face-up, select 1 card your opponent controls, and return it to the hand. All face-up WATER monsters you control gain 200 ATK.
![Nightmare Penguin [SDRE-EN017] Common](http://gamezilla-ca.myshopify.com/cdn/shop/products/360fe633-611e-5901-9507-757bc5ab1929_82aec2e2-3582-40dd-b9ea-3685976b36f0_800x.jpg?v=1625189800)
![Nightmare Penguin [SDRE-EN017] Common](http://gamezilla-ca.myshopify.com/cdn/shop/products/360fe633-611e-5901-9507-757bc5ab1929_82aec2e2-3582-40dd-b9ea-3685976b36f0_1024x.jpg?v=1625189800)
