Brawler, Wild Rush Dragon

:[Legion 20000]"Brawler, Wildfist Dragon"(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) : 1 When this unit's drive check reveals a card with the same card name as a unit on your , if this unit is [Legion], you may pay the cost. If you do, this unit gets +10000/ +1 until end of that battle. :[Choose one of your rear-guards, and retire it] When this unit's attack hits a vanguard, you may pay the cost. If you do, your opponent chooses one of his or her rear-guards, and retires it.