为 龙血双子 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！
Whenever you cast a Dragon or noncreature spell, draft a card from Dragon Typhoon's spellbook and put it onto the battlefield.
Channel — , Discard this card: Create a 4/4 red Dragon creature token with flying.
