Barbed-Back Wurm Tweet NM-Mint, English, limit 12 $0.17 / $0.22 credit Buy This Product Details Color: Black Card Text: B Target green creature blocking Barbed-Back Wurm gets -1/-1 until end of turn. Rarity: U Cost: 4B Pow/Tgh: 4/3 Card Type: Creature - Wurm Name: Barbed-Back Wurm Finish: Regular Set Name: Mirage