結界
當執政監視網進戰場時,你得到




(四個能量指示物)。
支付


:選擇一個來源。於本回合中,防止該來源將對你造成的所有傷害。
Some triggered abilities that state that you "may pay" a certain amount of
describe an effect that happens "If you do." In that case, no player may take actions to try to stop the ability's effect after you make your choice. If the payment is followed by the phrase "When you do," then you'll choose any targets for that reflexive triggered ability and put it on the stack before players can take actions.