为 蝣美迪命种 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, draft a card from Eumidian Lifeseed's spellbook.
: Add one mana of any color. Spend this mana only to activate abilities of land sources.
