地底文明在居處周圍立起魔法屏障來阻止這些怪物。

Purple Worm

This spell costs {2} less to cast if a creature died this turn.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

如果本回合中有生物死去，則此咒語減少{2}來施放。
守護{2}（每當此生物成為由對手操控之咒語或異能的目標時，除非該玩家支付{2}，否則反擊之。）