Brawler, Shotgun Blow Dragon

:[Legion 20000]"Military Brawler, Lisei"(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): 2 When this unit [Legion], you may pay the cost. If you do, your opponent chooses two of his or her rear-guards, retire them, and if the number of units you have is more than your opponent's, this unit gets +1 until end of turn.:When this unit attacks, if the number of rear-guards you have is more than your opponent's, this unit gets +2000 until end of that battle.