Zero-Day Blaster [SDRR-EN033] Super Rare
1st Edition - NM
Not Buying
![A Legendary Ocean [MAMA-EN079] Ultra Rare](https://cdn.shopify.com/s/files/1/0524/2277/0879/products/eb861cb8-121a-5873-a1e1-2adc08c1c6d4.png?v=1668003053)
A Legendary Ocean [MAMA-EN079] Ultra Rare
| Set: | Magnificent Mavens |
| Card type: | Field Spell |
| Rarity: | Ultra Rare |
(This card's name is always treated as "Umi".)
All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.