I wouldnt recommend playing Tithe in any deck playing green, as it doesnt put any lands youre searching for into play, but ensuring you can start with 2-3 lands and an extra color or 2 of mana earns it a slot in many decks
As one of most popular Dimir commander, both in general and cEDH, players expect Yuffie / Yuriko to go straight to Brawl's hell queue on day 1, as she'll very likely be one of the best commanders in that format, too
Learn more about Golgari Yawgmoth in Zen Takahashis recent article But I strongly feel, that most green decks might play it in a Sideboard slot, trying to deal with the likes of Blood Moon, Damping Sphere (if youre thinking about Amulet Titan), Torpor Orb, or Rest in Peace
That ability is a win-win in most situations
In fact, you might even be casting it to protect your stuff from your own land destruction or board wipes