为 Colossus of the Blood Age 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！
When this creature enters, it deals 3 damage to each opponent and you gain 3 life.
When this creature dies, discard any number of cards, then draw that many cards plus one.
