Tribes in Commander are great, and while were always happy to write about the specific tribes, its good to know about the cards that can form the backbone of any tribal deck
The ceiling here is high, but sacrificing a high mana value artifact isn't usually what you want to be doing, and most of the time you'll have to wait a turn to use this
11 Yarok, The Desecrated Double The Atrocities Enters-the-battlefield triggers are the deep wells within which much of the power in modern Magic cards can be found, which is why Yarok, who lets you double down on said effects, is such a powerful Horror in Commander
Keep in mind that this counts you as well, so if you cast a Snuff Out for its alternate cost, you get a free card
Its triggered ability will then trigger and go on the stack
A one-for-zero, however, means you are spending one of your cards to deal with zero of theirs