Instead, it lets you search your library for a Sliver card
Being able to sac one of your own Gobby tokens in order to destroy an opponents powerhouse artifact combo piece or game-warping colorless permanent is quite an impactful trade-off, so if you keep losing to Chimil, the Inner Sun or The Immortal Sun (or other, non-Sun-related artifacts), nab a copy of this bruiser and profit mightily
Dawn's Truce looks slightly worse because you need to gift somebody a card for the protection, but in a political format like Commander, a gift is just the path to friendship
It gains a +1/+1 counter every time you sacrifice a creature which will be very often in just about any Rakdos sacrifice Commander deck
Suspect is identifying who looks guilty
Clearly, players are coveting this artifact highly and are willing to pay a significant premium to ensure they have their copies day one