Also, Golgari not only has plenty of other good removal spells but is also a guild thats based around putting as many creatures as you can into the deck
Mercy Killing in particular seems good with many of the strategies we can pepper into our deck, giving Drizzt a death trigger and giving us a bunch of Elf tokens too, all at instant speed
These spells usually dont scale well and can put red behind a bit compared to other colors, but Red/Black decks can really leverage the synergy and catch up
It also works against energy counters from Kaladesh and experience counters from commanders like Meren of Clan Nel Toth
By rushing out and dealing combat damage, Rankle can force each player to sacrifice a creature, among other effects (including Eldraines infamous surplus of card draw) to sweeten the deal
Once every available pack starts giving you constant repeats, you can start pulling any packs that have your preferred chase cards