为 Beast, Erudite Aerialist 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 long as you've put one or more +1/+1 counters on Beast this turn, he has flying.
Whenever Beast deals combat damage to a player, draw a card.
