[ACT](Hand):[Put this card into your soul & Choose a card from your hand, and discard it] If you have a grade 0 vanguard, search your deck for up to one "Mermaid Idol, Riviere", ride it on your (VC), and shuffle your deck.
[CONT](RC):All of your vanguards with "Riviere" in their card names get "[CONT](VC):All of your rear-guards cannot be chosen by the effects of your opponent's cards.".