为 活力耕作 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！
Lands you control enter the battlefield untapped.
At the beginning of your end step, the topmost land card in your library perpetually gains "Whenever this land is tapped for mana, add an additional ."
