Its only real problem is that it's narrow, but in the right world, it might not be
This is the only commander that can do this without any other support pieces
Some commanders that stand out as control generals are Oloro, Ageless Ascetic, Nicol Bolas, the Ravager, and Tasigur, the Golden Fang
The Commander format is one of the most fun ways to play thanks to the massive deck size that encourages you to experiment with cards from all over MTG's history, by only allowing one of each card
Shadowheart will go into any deck that loves graveyard stuff, giving us the card that well reanimate along with a chance of drawing the spell thatll do it
With Satoru Umezawa, of the same family that brought players Umezawas Jitte, you can expand your ninjutsu skills to any creature while digging deeper for more answers through your deck