为 热熔玛珂矿 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 artifact enters, you may discard a card. If you do, draw two cards.
, Sacrifice this artifact: Create a tapped 2/2 colorless Robot artifact creature token.
