为 佑天讯使 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！
Flying
Whenever Yotian Courier attacks, choose one that wasn't chosen during your last combat —
• Create a tapped Powerstone token.
• Seek a nonland card with mana value equal to the number of Powerstones you control.
