結界
當胡亂轟炸進戰場時,選擇四個不由你操控的非結界永久物,並在其上各放置一個瞄準指示物。
在你的結束步驟開始時,若兩個或更多不由你操控的永久物上有瞄準指示物,則隨機消滅其中一個永久物。
Players can’t take actions between the time the permanent is randomly selected and the time it’s destroyed. Notably, if a land is randomly selected, it can’t be tapped for mana before being destroyed.