You get to put a lot of yourself into them, and even if you take a precon deck or you a premade character and modify it to your taste, theres still going to be a lot of yourself in the final product
But first off, thats no fun, and second off, why are you playing a Clue -themed commander if youre not looking for an excuse to play all those raggedy old investigate cards
He ultimates at the same rate and draws cards without needing to build around it dramatically, like you might with Vraska, Golgari Queen
You do only get one shot of discarding and it is sorcery speed but for the most part that is fine
Which is probably overkill unless you and 8 friends are keen to get into MTG at exactly the same time, so of course you can opt to buy Jumpstart packs individually
It essentially grants additional effects on a card if you exile a certain creature type from the battlefield or your hand