为 羊屯斗士 寻找最佳的史迹争锋套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Creatures with power less than this creature's power can't block creatures you control.
Whenever another creature you control enters, put a +1/+1 counter on this creature.
