They range from Water, Grass, Pyscic, Dark, Fighting, and Dragon
Dirgur Focusmage Effortless Master Efreet Weaponmaster Elsha of the Infinite Elsha, Threefold Master Elusive Spellfist Emissary of Soulfire Erayo, Soratami Ascendant Flamehold Grappler Guru Pathik Highspire Bell-Ringer Humbling Elder Ishai, Ojutai Dragonspeaker Ishai, Ojutai Dragonspeaker Jeskai Brushmaster Jeskai Elder Jeskai Infiltrator Jeskai Sage Lotus Path Djinn Lyse Hext Mantis Rider Mistfire Adept Mystic of the Hidden Way Narset, Enlightened Exile Narset, Enlightened Master Narset, Jeskai Waymaster Oji, the Exquisite Blade Rhox War Monk Riverwheel Aerialists Sage-Eye Avengers Shu Yun, the Silent Tempest Siani, Eye of the Storm Stratus Dancer Taigam, Master Opportunist Taigam, Ojutai Master Third Path Iconoclast Tomb of Horrors Adventurer Whirlwind Adept Wingblade Disciple Zedruu the Greathearted Zephyr Scribe
Sadly, those won't cause Battalion to trigger
Today, Prossh is still relatively popular, though as the third most used Jund commander, its miles behind Korvold, Fae-Cursed King and Lord Windgrace
