Activate only while "Umi" is on the field. While "Umi" is face-up on the field, you take no Battle Damage from attacking monsters. Destroy this card when "Umi" leaves the field.
Set:
Speed Duel: Streets of Battle City
Activate only while "Umi" is on the field. While "Umi" is face-up on the field, you take no Battle Damage from attacking monsters. Destroy this card when "Umi" leaves the field.