Rumble Gun Dragon - PR/0039EN - PR Tweet Nm-Mint, 1 in stock $0.25 Details Card Effect: [AUTO](VC):When this unit's drive check reveals a grade 3 , choose one of your opponent's grade 1 or less rear-guards, and retire it. Card Number: PR/0039EN Clan: Narukami Critical: 1 Grade / Skill: 3 Name: Rumble Gun Dragon Nation: Dragon Empire Power: 10000 Race: Thunder Dragon Rarity: PR Unit: Normal Unit