为 罗纳斯纪念碑 寻找最佳的史迹套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Green creature spells you cast cost less to cast.
Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.
