Khi kích hoạt Prohibition , có thể tuyên bố A Legendary Ocean không? Ngoài ra, nếu Umi được tuyên bố bởi Prohibition thì A Legendary Ocean có thể được kích hoạt không?

Spell Field

All Fish, Sea Serpent, Thunder, and Aqua monsters on the field gain 200 ATK/DEF, also all Machine and Pyro monsters on the field lose 200 ATK/DEF.

Spell Continuous

Activate by declaring 1 card name. Cards with that name, and their effects, cannot be used. Cards already on the field are not affected (including face-down cards).

Spell Field

(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.