Invasion of Ravnica

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of Ravnica enters, exile target nonland permanent an opponent controls that isn't exactly two colors.

(���围攻进战场时，选择一位对手来防卫之。你和其他牌手能攻击围攻。当围攻失守时，将它放逐，然后你施放已转化的此牌。）
当进军拉尼卡进战场时，放逐目标由对手操控且不是正好两色的非地永久物。

Guildpact Paragon

Whenever you cast a spell that's exactly two colors, look at the top six cards of your library. You may reveal a card that's exactly two colors from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

每当你施放正好两色的咒语时，检视你牌库顶的六张牌。你可以展示其中一张正好两色的牌并置于你手上。将其余的牌以随机顺序置于你牌库底。