Brawler, Wild Rush Dragon

[ACT](VC):[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) [AUTO](VC):[Counter-Blast 1] When this unit's drive check reveals a card with the same card name as a unit on your (VC), if this unit is [Legion], you may pay the cost. If you do, this unit gets [Power] +10000/[Critical] +1 until end of that battle. [AUTO](VC):[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.