As for Golgari Grave-Troll, we already tried unbanning the best dredger one, only for it to be quickly rebanned, which doesn't especially make me want to give it another shot in Modern
Board wipes that feature that color tend to be no different but are often well worth paying
Swords to Plowshares and Wrath of God come in against the creature swarm decks
The only exception to this strategy would be if your opponent has multiple Corpse Curs
Sacrificing a creature can often come with upside, too: I had an Orah, Skyclave Hierophant deck that made incredible use of this
Like Hushbringer, it shuts off some decks completely, and while I am a little more lenient with Hushbringer, I do find that this can sometimes screw an equipment deck hard , which I might be biassed at not loving