If Golos can be the center of a Jegantha deck in Standard, then it's going to spring up this list in a hurry
For this to be worth running you need to have a very cheap deck so that putting your own land into the bin isn't an issue on casting further things
These are only some of the purposes that come to mind when thinking about Fetch Lands: Giving a player the choice to find exactly the needed colors to cast ones spells Shuffling the deck at the right moment Filling the graveyard for delve spells and the like Finding your basic lands to play around Blood Moon and Back to Basics effects Not sacrificing them to play around Wasteland-effects or Fire // Ice Recurring them with Wrenn and Six Sven Stolz Fetch Lands are the centerpiece of almost all mana bases in Eternal formats, and seen in very high numbers in most of the decks
Adrix and Nev, Twincasters Adrix and Nev, Twinscasters is another popular Merfolk commander, but this one certainly doesn't need you to be in a dedicated Merfolk deck
Vanquisher's Banner lets you pick a creature type when it comes in to play, granting them all +1/+1 for as long as it is out
I tend to favor Zopandrel, both because its a threat and because the activated ability on this dominus gives you some additional synergies
