Creatures dying will generate energy, but even a few cheap lands like Evolving Wilds and Terramorphic Expanse pull their weight when you sacrifice them.
9 Upriser Renegade The Upriser Renegade has a pompadour hairdo and an unforgettable pose, not unlike a JoJo character just before unleashing their special move
Now, if I have a couple of cards from Tempest, like Furnace of Rath and Dark Ritual, Ill have to look them up
Although expensive, he is a great value card
If you want your commander to reward you, I would suggest Ketramose, the New Dawn, which becomes a disgusting card draw engine thats hard to remove and eventually becomes a clock
Additionally, both cards are Storyborn, adding additional thematic ties