Theres typically a couple of them every set
Nibelheim Aflame (Borderless) (FIN-339) - FINAL FANTASY Wizards of the Coast Sorcery Mythic null/null Choose target creature you control
When this Gearhulk enters the battlefield, you get to search for up to two artifacts, creatures, or enchantments, so long as they have a mana value of 1 or less
At just four mana, Halana and Alena can come down as early as turn three more often than not with some mana ramp, and then immediately start turning things into a threat
There are a lot of potentially great options to build around, so if you don't see a commander here, that doesn't necessarily mean it's bad
Mono-Black has access to a lot of cards that benefit from multiple swamps being controlled, and since you're in a Mono-colored deck, nearly all your lands will be just that