为 图音谷岔路 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！
Choose one or both —
• Return target creature you control to its owner's hand. That card perpetually gains "This spell costs less to cast."
• Return target creature you don't control to its owner's hand. That card perpetually gains "This spell costs more to cast."
