For these reasons, it sees use in over 65,000 Commander decks according to EDHREC
Skullclamp Could there be anything more appropriate for the top spot for an equipment so iconic that Trinket Mages in Five Color were shaded with "Gets Clamp" since that's why there were added
This deck also includes strong format staples like Etali, Primal Storm
There's a very minor Card Draw theme with stuff like Syr Elenora, the Discerning and Vodalian Wave-Knight for spice, along with a bit of reanimation set-up like Exsanguinator Cavalry to help discard Knights and Haakon, Stromgald Scourge to get them back, but it's minor enough to be mostly just added resiliency to the deck, not a specific goal
Meanwhile Eliminate gets around pesky creatures with counters and the troublesome Narset, Parter of Veils
Finally, while Survival of the Fittest takes longer to get going, it'll provide a tutor for your best creature every turn you're able to feed it