Card Set: Speed Duel: Streets of Battle City

Rarity: Common

Card Type: Skill

Skill Type: Mako Tsunami

Texto (EN): Skill activation At the start of the Duel, flip this card over. Effect While "Umi" is face-up on the field, apply the following: ● Non-Effect WATER monsters you control are unaffected by non-WATER monster effects. ● Once per turn, you can add 1 WATER monster from your GY to your hand, but for the rest of this turn, you cannot activate cards or effects, until you Normal Summon that monster or a card with its name.