Transforming Etali, Primal Conqueror is mostly a last resort though, because why would you not want to keep casting Etali, Primal Conqueror to play all of your opponents' decks
Deck tier lists are a different thing entirely, even though they matter when you are trying to win more matches
Jill, Shivas Dominant // Shiva, Warden of Ice Jill, Shiva's Dominant lets you bounce a problematic permanent, then later transforms into a saga that opens up combat with unblockable effects and even locks down all opposing lands for a turn
If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs
Set Boosters focus on the simple joy of opening packs, with a small chance to grab multiple rares
The Ozolith The Ozolith is one of the most well-known counter cards in Commander, and runs between $30-40 a copy at the time of writing