为 神秘教谕 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！
Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
