为 军团的吟颂 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！
Starting intensity 3
Return any number of creature cards with total mana value X or less from your graveyard to the battlefield, where X is Legion's Chant's intensity.
All Chorus cards you own intensify by 1.
