Rising Star, Trois

:"Top Idol, Riviere"(If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion) :[ 3 & Choose three cards from your hand, and discard them] At the end of the battle that this unit attacked a vanguard, if this unit is [Legion], you may pay the cost. If you do, all of your vanguards. This ability cannot be used for the rest of that turn. When this unit rides a card named "Super Idol, Riviere", search your deck for up to one "Top Idol, Riviere", reveal it to your opponent, put it into your hand, and shuffle your deck.