Its remarkable just how often it has been largely impactful on combat, whether creating or breaking battlefield stalls, as well as combining with burn or combat tricks, such as Divine Deflection
Gilgamesh is also great because he has the "enters or attacks" clause, which is nice on a six-mana creature
There are also some fun ways of generating your own card advantage as well, like using Golgari Guildmage with Golgari Findbroker to have a repeatable recursion engine
Of course, what makes for the best MTG Modern Horizons 3 Commander deck will vary a little depending on your own personal playstyle and preferences, but hopefully, this will help put you on the right path to finding your favorite of the set
In the late game, just make some extra life as you have more mana than you can harnessa lot of decks have acceleration for mana and then just sit on 10 or 12 mana for turn after turn with not much to do with it, and this gives you an option
For our example, there are a lot of Plummet-plagiarizers, so an anti-flier approach could work