I'm reminded of Zimone, All-Questioning from the recent Duskmourn Commander precon, which required the user to hit prime numbers of lands
They're forced to grant the humans Mountainwalk as they are forced to lead the humans to their mountain home
Its easy for Magics best and brightest players, bloggers, and writers to say Buy the best cards, Play the best decks, or Test as much as you can. Most of them do this full-time, or as their main hobby, at least
What card beat it to the four-spot
And usually, I salivate at a commander with a built-in fight ability and a way to dodge commander tax
Since Siege Zombie's activated ability doesn't have a tap symbol in its cost, you can tap creatures that haven't been under your control since your most recent turn began (including Siege Zombie itself) to pay the cost