MTG Arena Ranked Matches - Mono Black Deck

Just two matches today. 1-1. Guess I'll have to take that. Trying to put together a new deck. Just not sure which way to go right now. Much like my life in general, I guess.
Mono Black Deck
2 Cut Down (DMU) 89
3 Duress (ONE) 92
4 Fell (BLB) 95
3 Deep-Cavern Bat (LCI) 102
2 Go for the Throat (BRO) 102
2 Sheoldred's Edict (ONE) 108
4 Unstoppable Slasher (DSK) 119
3 Bloodletter of Aclazotz (LCI) 92
3 Unholy Annex / Ritual Chamber (DSK) 118
3 Sheoldred, the Apocalypse (DMU) 107
2 Desecration Demon (FDN) 603
1 Tinybones, Bauble Burglar (FDN) 72
1 Macabre Waltz (FDN) 177
1 Hopeless Nightmare (WOE) 95
2 Scrawling Crawler (FDN) 132
1 Infestation Sage (FDN) 64
22 Swamp (FDN) 277
1 Mishra's Foundry (BRO) 265