That said, this looks like a great inclusion to existing Dog strategies
Midnight Reaper A key card draw engine for Teysa Karlov style aristocrats decks as well as Wilhelt, the Rotcleaver zombie decks, there are only so many cards that do what Midnight Reaper does, so this is a must have for a ton of black decks
Same with Smothering Tithe, which was mythic in the Enchanting Tales bonus sheet but rare in its original Ravnica Allegiance printing
It gives your commanders Protection from everything at instant speed
Normal Magic decks will naturally create inefficient moments where you spend a three-damage spell on a one-toughness creature, so you need to force energy decks to deal with some occasional inefficiency by design
Ive decided to go a more traditional sacrifice route despite the fact we dont have access to Blood Artist and Zulaport Cutthroat in the 99