Like with many modern formats, it was easy to get run over in best of one if your opponent had an aggressive start
Unfortunately, card suspensions and bannings keep pushing Golos and other land strategies to the bottom of the Historic metagame
There are certainly a wide variety of options to choose from, some much more appealing than others, and the tribe is definitely not lacking in strength
They count towards the total, that's why you would be unable to run, say, 3 A Legendary Ocean and 1 Umi, because the former is called Umi and you'd have 4 Umi total
Building off of that, the decks commander Millicent, Restless Revenant, is a legendary spirit that gets a discount of 1 for every spirit that you control
If you do, this attack does 50 more damage for each card you discarded in this way