Echo Base Defender Tweet Light Play, 12 in stock $0.35 Details Card Text: Sentinel (Units in this arena can't attack your non-Sentinel units or your base.) Rarity: C Cost: 3 Card Type: Unit Artist: Thomas Wievegg Finish: Regular Card Number: 098/252 Set Name: Spark of Rebellion Arena Type: Ground Aspects: Command, Heroism Card Name: Echo Base Defender Health: 3 Power: 4 Traits: Rebel, Trooper