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 card on the field, this effect is not applied.
Set:
Speed Duel: Streets of Battle City
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 card on the field, this effect is not applied.
