Is There a Difference Between Ally, Allies, and Allied
There are ways to make it more evasive, and you can start easily taking out opponents once you get The Ring to tempt you enough times
The trigger event doesn't have to specifically refer to "creatures." In these cases, the trigger event may also refer to something being "put into a graveyard from the battlefield." For example, an ability that triggers "whenever an artifact is put into a graveyard from the battlefield" would trigger twice if an artifact creature dies while Drivnod, Carnage Dominus is on the battlefield
However, an ability that triggers "Whenever one or more creatures enter" would trigger once for each event
I expect to invest my July 9th column about why Golos is, in my opinion, yet another example of a badly designed Commander and I'll make the case for why I believe that Golos and similar cards are wrong for the format.