Each standard-legal set since Ikoria (except Core 2021 ) features 2-5 Commander decks, as the Commander format has become one of the most popular ways to play Magic, releasing preconstructed commander decks with every set allows for the creation of cards unique to the format that are thematically tied to the setting of their respective expansion, as well as giving more options to new players who want to try Commander
There are all sorts of wacky combos you could do with this, so youre only really limited by your imagination
Anti-Venom gets stronger the more damage it takes, so with Entangler on it, it can block an unlimited number of creatures and turn all that damage into +1/+1 counters
Generally speaking, there should always be more cost 1 cards than cost 2 cards, more cost 2 cards than cost 3 cards, and so on and so forth
Commanders like Jenova, Ancient Calamity are always good, because you don't necessarily need them on the field for the build to work, but they offer consistent value