Even if you have enough uses for fodder that theyre not dead draws when Braids is off the battlefield, having multiple types is a major drawback since it gives opponents many more choices to sacrifice themselves
Leyline of the Guildpact has some utility in Commander too, where cards like The Mana Rig, Fallaji Wayfarer, Hero of Precinct One, and Rienne, Angel of Rebirth might fit together with the Leyline in a Jenson Carthalion, Druid Exile deck
You can find Commander Legends: Battle for Baldur's Gate at your local game store and online at retailers like Amazon
Youre incentivized to have a large chunk of basics for Mitotic Manipulation, and as a 2-color deck, you dont need a ton of other fixing lands
They're artifacts in addition to their other types