为 修补机械兽 寻找最佳的先驱套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Whenever you cast an artifact spell, put a +1/+1 counter on this creature.
