Make no mistake, these are far less powerful tutors than the greats, like Vampiric Tutor or Mystical Tutor, but you can get in the ballpark for the same casting cost as Grim Tutor
In a four-player game the table notices when youre paying chunks of life every turn, and a couple of them will happily point their damage your way to cash that in
There are lots of moving parts in this deck but to put it simply, the heavy ramp focus allows you to quickly build your board and Omos capacity to tack an everything counter on lands and creatures has plenty of opportunity for payoff
I still don't like it for generic Green decks, but for decks that can take advantage of everything this card offers, like Obuun, Mul Daya Ancestor, Surge is a solid inclusion
If youre looking for a deck to build with this as a key part, Pirates and Locations work very well together