You can Special Summon this card (from your hand) by banishing 1 Level/Rank 8 monster from your GY. You can target 1 Level/Rank 8 Ritual, Fusion, Synchro, or Xyz Monster in your GY; shuffle it into the Deck, then apply the following effect depending on the returned monster’s card type.
● Ritual/Fusion: Draw 1 card.
● Synchro/Xyz: This card gains 1000 ATK.
You can only use this effect of «Yakusa, Lord of the Eight Thunders» once per turn.

This card on the field can be treated as a Level 8 monster when used for a Synchro Summon. A Synchro Monster that used this card as material gains this effect based on its original Level.
● 8 or lower: Gains 800 ATK/DEF.
● 9 or higher: If this card attacks a Defense Position monster, inflict piercing battle damage.

You can banish this card from your GY, then target 1 Reptile monster you control and 1 face-up monster your opponent controls, to activate 1 of these effects;
● Change those monsters to face-down Defense Position.
● Destroy that monster you control, and if you do, change the ATK of the other monster to 0 until the end of this turn.
You can only use this effect of «Yamorimori» once per turn.

Cannot be Special Summoned. During the End Phase of the turn this card was Normal Summoned or flipped face-up: Return it to the hand. If this card inflicts battle damage to your opponent: Skip the Draw Phase of their next turn.

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.