Maiden of the Aqua is a Common Effect Monster card from Yu-Gi-Oh! (Speed Duel: Streets of Battle City, SBC1). Current market price: $0.37.
Common
Speed Duel: Streets of Battle City (SBC1)
Card Text
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.
