为 皇叔的冥思 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！
Converge — Return up to X permanent cards from your graveyard to your hand, where X is the number of colors of mana spent to cast this spell.
Exile Uncle's Musings.
