结界
每当你施放非生物咒语时,你可以支付

。若你如此作,则横置目标由对手操控的生物,且它于其操控者的下一个重置步骤中不能重置。
The ability tracks the creature, but not its controller. If the creature changes controllers before its first controller’s next untap step has come around, then it won’t untap during its new controller’s next untap step.
The ability can target a creature that’s already tapped. It still won’t untap during its controller’s next untap step.
You decide whether to pay
as the triggered ability resolves.