为 河狸商谈 寻找最佳的标准套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Look at the top three cards of your library. You may reveal an artifact, creature, or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
