Maiden of the Aqua
Effect Monster
WATER Aqua
★4 ATK 700 DEF 2000
As long as this card remains face-up on the field, the field is treated as "Umi" (however there is no increasing or decreasing of ATK/DEF due to "Umi"'s effect). If there is an active Field Spell Card on the field, this effect is not applied.