Focus on establishing early mana ramp with cards like Llanowar Elves and Karametra's Acolyte, then start dropping Wurms and swinging hard
Now, every instance of lifegain will let Heliod put a counter on the Oak, which will make a Squirrel token, which will trigger lifegain from your Soul Sister (or halfling innkeep I dont judge you!), and the loop is complete
this card is a fucking nightmare to track on board, and I think it will be a pain to play just because the bookkeeping it requires is outrageous
Its an annoying compromise to have to make, but if youre in a position where the best cards simply cost too much, and thats definitely the case a lot of the time in MTG, then picking the boring but affordable choice is going to do you a lot of good
1/1 Good Stuff - There are some good 1/1s that are heavily played in Commander that I'll toss in like Mother of Runes