![A Legendary Ocean [MAMA-EN079] Ultra Rare](https://www.summitflex.shop/image/a-legendary-ocean-mama-en079-ultra-rare_P6bczk_1.webp)
| 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.
