like Mufasa, this isnt a card that youre allowed to play in your Inkwell as a source of Ink, however
Bloodghast: Sacrificing creatures for gain is one of blacks best tricks in Commander, and Bloodghast is a very strong piece of sac fodder, requiring no mana and potentially entering the battlefield multiple times per turn, thanks to Terramorphic Expanse/Evolving Wilds/Panoramas/fetches
Commander decks are ready to play right out of the box and contain
(Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.) Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls
This commander offers an interesting deckbuilding challenge: You need some counter payoffs to support the commander, but you also need room for your equipment and cards like Puresteel Paladin
Two of the cheaper Moxes and the Timewalk I had always wanted