结界
每当一个由你操控的生物单独攻击时,放逐你的牌库顶牌。本回合中,你可以使用该牌。
A creature attacks alone if it's the only creature declared as an attacker during the declare attackers step. For example, Tempered in Solitude's ability won't trigger if you attack with multiple creatures and all but one of them are removed from combat.