为 缠关盘蛇 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！
If there are three or more Lesson cards in your graveyard, you may cast this spell as though it had flash.
This spell costs less to cast for each noncreature, nonland card in your graveyard.
