地底文明在居处周围立起魔法屏障来阻止这些怪物。

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，则此咒语减少{2}来施放。
守护{2}（每当此生物成为由对手操控之咒语或异能的目标时，除非该牌手支付{2}，否则反击之。）