You can target 1 WATER monster in your GY; apply 1 of these effects, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters.
? (Only if the target has a Level) until the End Phase, this card's Level, also its name, become the same as that monster's.
? (Only if "Umi" is on the field), Special Summon that monster in Defense Position.
You can banish this card from your GY, then target 1 "Umi" in your GY; add it to your hand. You can only use each effect of "Yorishiro of the Aqua" once per turn.