为 腐蚀吐息 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！
As an additional cost to cast this spell, behold a Dragon or pay . (To behold a Dragon, choose a Dragon you control or reveal a Dragon card from your hand.)
Target creature gets −3/-3 until end of turn.
